Parco, Inc. - Ontario, CA
Distributor, Manufacturer, Custom Manufacturer
ISO/TS 16949:2002, ISO/IEC 17025:2005 & AS/EN9100B certified manufacturer of standard & custom O-rings made from Buna-N, EPDM or EPR, neoprene, nitrile & Viton®. O-rings are available in 0.029 in. to 25.940 in. ID with 0.04 in. to 0.275 in. cross section. Metric sizes are also available. O-rings are suitable for oil field machinery & motor vehicles & aerospace, defense, water filtration, farm & construction & fuel dispensing applications. Meets ASTM standards.
www.parcoinc.com/media/files/Parco_Company_...

Elder Rubber Co. - Dallas, TX
Distributor, Manufacturer, Custom Manufacturer
Distributor of O-Rings in materials including buna-N, EPDM or EPR & neoprene. ID ranges from 1/32 in. to 26 in. & OD ranges from 3/32 in. to 26 1/2 in. O-Rings can be customized as per size & material specifications. Also available in elastomers including fluorosilicone, SBR, nitrile, silicone & Viton®. PTFE O-Rings & MilitarySpec O-Rings are also available. Markets served include industrial, military & automotive.
www.elderrubber.com/orings.htm

Daemar Inc. - Lawrenceville, GA
Distributor, Manufacturer, Custom Manufacturer
ISO 9001:2008 certified custom manufacturer & distributor of O-rings made from Viton® & Buna-N. O-rings are also available in metric sizes. Specifications include metric sizes ranging from 1.50 mm to 499.30 mm ID. Applications include dynamic & static sealing including face & radial sealing & reciprocating service in cylinders, valves & linear actuators.
catalog.daemar.com/category/o-rings

Buna-N O-Rings Products
	Style 574 Back Up Rings

Girard Rubber Corp. - Elmsford, NY
Custom Manufacturer
Six Sigma. ISO 9001:2008 certified custom manufacturer of high temperature O-ring seals. Materials include rubber, plastic & elastomer. Gaskets, diaphragms, tubes, pump impellers, shock mounts, button, knobs, hose & pads are also available. JIT delivery.
girardrubber.rtrk.com/?scid=824386&rl_alt=h...

Buna-N O-Rings Capabilities
	Injection Molding Rubber Molding/Fabrication

Mykin, Inc. - South Lyon, MI
Manufacturer, Custom Manufacturer, Service Company
Manufacturer of standard and custom Buna-N and nitrile O-rings. AS568 size O-rings in different cross sections and IDs are available. Nitrile 70 and nitrile 90 materials are used. O-rings are used in aerospace, automotive, biomedical, electrical, fire/flame resistant, fluid power, food, military/defense, oil/chemical and semiconductor applications. Capabilities include CAD designing, engineering and finite element analysis (FEA). Meet ASTM, MS, AN, NS, NAS, AMS, SAE, FDA, NSF and UL standards.
mykin.com/orings.html

R.F. Carlson Co. - Sarasota, FL
Distributor
Distributor of O-rings made from fluroelastomer, Viton®, Buna-N & urethane. O-rings are available in 0.03 in. dia. & 0.01 in. ID with cross sections. Kan Ban & JIT delivery.
www.rfcarlson.com/miniature.pdf

RG Sales, Inc. - West Alexander, PA
Distributor, Custom Manufacturer
Woman-owned distributor of O-rings, gaskets or seals made from Buna-N nitrile. Specifications of O-rings include 1/32 in. to 26 in. nominal ID, 3/32 in. to 26 1/2 in. nominal OD, 1/32 in. to 1/4 in. nominal thickness, -65 degrees F to +275 degrees F operating temperature & 40 durometer to 90 durometer Shore A hardness. O-rings are suitable for government, automotive, industrial & commercial applications. Meets FDA & NSF standards. UL listed.
Brand Names: CR, John Crane, National, Parker
catalog.rgsales-inc.com/category/o-rings

Buna-N O-Rings Products
	Standard Buna Boss Gaskets O-Rings Standard Buna 40 O-Rings Standard Buna 50 O-Rings More

Vanguard Products Corp. - Danbury, CT
Manufacturer, Custom Manufacturer
ISO 9001:2008 certified manufacturer of standard & custom buna-N, EPDM or EPR, fluroelastomer, perfluroelastomer & styrene-butadiene rubber (SBR) O-rings. Available in thin walled construction & multiple material hardness strengths. O-rings are used in electronics, electrical equipment, food processing equipment, automotive electrical enclosures, medical equipment, outdoor cellular telecommunications, water purification systems & dairy fluid handling. Capabilities include prototyping, in-house compounding & mixing, bonding, splicing, cutting, molding, bagging & packaging. Made in the USA.
www.vanguardproducts.com/custom-rubber-sili...

Seastrom Mfg. Co., Inc. - Twin Falls, ID
Manufacturer, Custom Manufacturer, Service Company
ISO 9001 certified custom manufacturer of O-rings including Buna-N O-rings, fluorosilicone O-rings & silicone O-rings. Standard & specialty mechanical & electrical assembly hardware. Huge quantity of stocked standards available in all product groups including washers, spring clips, solder lugs, clamps & brackets. Products are available in a wide variety of metallic & non-metallic materials.
seastrommfg.rtrk.com/?scid=2040433&rl_alt=h...

Precision Associates, Inc. - Minneapolis, MN
Manufacturer, Custom Manufacturer
Manufacturer of Buna N O-Rings. UL, FDA, 3-A, non-black, fuel resistant, water resistant, internally lubricated & other specialized materials available. Custom compounds may be developed to meet special requirements. In-house tool shop produces custom size molds & parts. Large inventory is available.
catalog.precisionassoc.com/category/precisi...

Buna-N O-Rings Products
	Standard Size O-Rings (Nominal Dimensions)

RPM Mechanical, Inc. - Buffalo, NY
Distributor, Manufacturer, Custom Manufacturer
ISO 9001:2000 certified manufacturer & distributor of Buna-N, EPDM & EPR O-rings & O-ring cords. O-rings have 1/32 in. to 26 in. nominal inside dia., 3/32 in. to 26 1/2 in. nominal outside dia., 1/32 in. to 1/4 in. nominal size width, 0.029 in. to 25.940 in. actual size inside dia., 0.040 in. to 0.275 in. actual size width & tube size outer dia. of 3/32 in. to 2 in. O-ring cords feature 0.070 in. to 1 in. dia. with 70 in. durometer & are made of Buna-N, silicone, fluorocarbon, EPDM & neoprene materials. Fluorocarbon O-ring cords are also available in 75 in. durometer. O-rings are available in AS 568 sizes also. O-rings & seal kits for industrial & automotive applications are available with contents identification card which shows actual dimensions & silhouettes of O-rings.
products.rpmmech.com/category/o-rings

Buna-N O-Rings Products
	O-Rings

G.L. Huyett - Minneapolis, KS
Distributor, Manufacturer, Custom Manufacturer, Service Company
Manufacturer of Buna-N O-rings available in various designs & sizes. Capabilities include turning, bending, punching, stamping, laser, grinding, milling & cutting. Services include fabrication of special order parts, prototypes, small & medium runs, custom packaging, JIT & emergency shipments.
www.huyett.com/catalog/index.php?cPath=25

Mercer Gasket & Shim - Bellmawr, NJ
Distributor, Manufacturer, Custom Manufacturer, Service Company
ISO 9001:2008 certified custom manufacturer of O-rings made of buna-N, EPDM or EPR, fluoroelastomer & fluorosilicone. Available in standard cross sections including imperial & metric to any length or ID. Encapsulated O-rings & specialty O-rings are also available. Metallic O-rings are also available to customer specifications.
www.mercergasket.com/o-rings.htm

Production Materials, Inc. - Wheeling, IL
Distributor, Service Company
ISO 9001:2000 certified distributor of custom parts including anchors, bolts, bushings, clamps, dowels, fasteners, gaskets, inserts, nuts, o-rings, pins, rods, screws, springs, stampings, studs & washers. Capabilities include engineering, bar coding/labeling, blanket order warehousing, bin stocking, packaging & kitting. Value added services such as hardness testing, polishing, burnishing, plating, patching, drilling, cut downs, grinding & passivation are available. Plating capabilities include black oxide, black PTFE, black chromate, brass, cadmium, Dacromet®, head painting, hot dip galvanized, phosphate & oil, polyseal, zinc & zinc yellow. JIT delivery.
www.productionmaterials.com/index.html

Columbia Engineered Rubber, Inc. - Dayton, OH
Distributor, Manufacturer, Custom Manufacturer, Service Company
ISO/TS 16949 certified manufacturer & distributor of standard, metric & custom o-rings. O-rings available in a variety of materials with varying chemicals exposures, pressures & temperatures. Specialty compounds include NSF 61 & USP Class VI certified, FDA compliant & to military specifications. Applications include automotive, plumbing, medical, food & beverage, defense, hydraulic & pneumatic & general industrial markets. JIT delivery available.
www.columbiaerd.com/nitrile_orings.php

Yates Industries - Locations
Distributor, Manufacturer, Custom Manufacturer, Service Company
ISO 9001:2008 certified manufacturer & distributor of standard & custom O-rings available in Buna-N, EPDM or EPR, nitrile, PTFE & Viton® materials. Capabilities include multiple boring billing, CNC machining, lathe, plastic injection molding & arm drilling. Industries served include steel mills, foundry, waste water treatment plants, water municipalities, transportation, amusement parks, railroads, mining, offshore oil processing & food & drug. Mounting style meets NFPA standards.
www.yatesind.com

Ace Seal, LLC - San Jose, CA
Manufacturer, Custom Manufacturer, Service Company
Manufacturer of standard & custom closed cell sponge & nylon inserted Buna-N® O-rings. Available in hardnesses from 40 durometer to 90 durometer in cross-sections from 1/16 in. to 1/4 in., IDs from 1/32 in. to 26 in. & ODs from 3/32 in. to 26-1/2 in. & in standard black color. O-ring working temperatures range from -40 degree C to +121 degree C & are resistant to oil, air, water, gasoline, engine coolants & alcohols. FDA compound available. QS 9000 & ISO 9002 approved.
www.aceseal.com/o-rings.html

Satori Seal Corp. - Rancho Cucamonga, CA
Distributor, Manufacturer, Custom Manufacturer
Standard & metric O-rings, custom molded seals & gaskets, rotary shaft oil seals, U-cups, standard & metric O-ring kits. Available materials: nitrile, fluorocarbon (Viton®), silicone, EPDM, neoprene, HNBR, polyacrylate & Vamac®.
www.satoriseal.com/compounds/satori_compoun...

Ames Rubber Manufacturing Company - Los Angeles, CA
Manufacturer, Custom Manufacturer, Service Company
Standard molded O-rings in nitrile, Buna-N, EPDM, silicone, Viton® (black & brown). Custom molded O-rings. Mil-Spec. ASTM SAE compounds.
amesindustrial.thomasnet.com/item/all-categ...

Buna-N O-Rings Capabilities
	Compression Molding Services Transfer Molding Services Injection Molding Services

Keystone Filter Div., Met-Pro Corp. - Hatfield, PA
Manufacturer, Custom Manufacturer
Manufacturer of filter housing accessories. Includes Buna-N, and silicone o-rings. Other accessories include cartridge couplers, gaskets, vent kits, quick connect kits, and brackets. Markets served include industrial, commercial & residential.
www.keystonefilter.com/products-solutions

Budlar Flexible Products - Cambridge, ON
Manufacturer, Custom Manufacturer
Custom fabricator of rubber products including Buna-Nitrile O-rings. Molded O-rings made of Buna metric, Buna NSF-61, Buna quad, Buna square & Buna standard & custom vulcanized O-rings made of Buna metric, Buna quad, Buna square, Buna standard, Buna white FDA & highly saturated Nitrile are available. Capacities to fabricate special sized O-rings, hot vulcanizing & hot splicing profiles into custom made O-rings & seals.
on1.rtrk.com/?scid=2596239&rl_alt=http%253A...

CTG - Houston, TX
Distributor, Manufacturer, Custom Manufacturer
Manufacturer & distributor of O-rings made of buna-N, EPDM or EPR, fluoroelastomer, fluorosilicone, neoprene & nitrile materials. Capabilities include CNC machining, rubber molding & PTFE processing. Industries served include chemical processing, oil & gas, semiconductor, pulp & paper & gasket, molded elastomer & machined plastics.
ctgasket.com/index.php/products/o-rings-bac...

Arizona Sealing Devices, Inc. - Chandler, AZ
Manufacturer, Custom Manufacturer
Manufacturer of standard & custom Buna-N & Isolast® O-rings. Types of O-rings include FDA approved O-rings, commercial & military O-rings & non-standard O-rings. Available in metric & standard sizes. O-rings can be customized as per ID, OD, cross section & thickness specifications.
www.azseal.com

National Plastics & Seals, Inc. - Locations
Distributor, Custom Manufacturer
ISO 9001:2000 certified custom fabricator & distributor of O-rings including PTFE, PTFE coated, Viton® & Buna-N O-rings. Materials also include ethylene, propylene (EPDM), nitrile (NBR), silicone, neoprene, fluorocarbon & hydrogenated nitrile (HNBR). Seals & molded parts are also available. Meets Military Spec. Meets ASTM specifications & 3-A standards. UL listed. FDA, USDA & NSF approved. RoHS compliant. On-time delivery.
www.nationalplastics.com/rubber-molded-part...

Quartz Scientific, Inc. - Fairport Harbor, OH
Distributor, Manufacturer, Custom Manufacturer, Service Company
Manufacturer of o-rings including Viton® (standard) and Buna-N o-rings. O-rings are available in sizes of 110 to 371.
fusedquartz.qsiquartz.com/viewitems/quartz-...

Buna-N O-Rings Products
	Quartz O-Rings