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RGR-686B — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

RGR-686B: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include width: 35.750 INCHES MINIMUM AND 36.250 INCHES MAXIMUM IN, material: PAPER LOCATION NOT OTHERWISE SPECIFIED, thickness: 0.026 INCHES MINIMUM AND 0.036 INCHES MAXIMUM IN, fiber_type: PLANT, hole_diameter: 0.438 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, overall_width: 3.500 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-467-3615, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
RGR-686B
NSN: 5330-00-467-3615
NIINs: 004673615, 011277121
FSC: 5330 — Packing and Gasket Materials
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
width35.750 INCHES MINIMUM AND 36.250 INCHES MAXIMUM IN
materialPAPER LOCATION NOT OTHERWISE SPECIFIED
thickness0.026 INCHES MINIMUM AND 0.036 INCHES MAXIMUM IN
fiber_typePLANT
hole_diameter0.438 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
overall_width3.500 INCHES NOMINAL IN
overall_length3.500 INCHES NOMINAL IN
style_designatorNON-CIRCULAR
aperture_diameter1.875 INCHES NOMINAL IN
bolt_hole_quantity4
outside_corner_radius0.500 INCHES NOMINAL IN
environmental_protectionGASOLINE AND MILDEW RESISTANT AND OIL RESISTANT AND WATER RESISTANT
NSN5330-00-467-3615
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: RGR-686B MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
FIBER TYPE: PLANT
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-G-12803,NO. F326128-6 MIL SPEC SINGLE MATERIAL RESPONSE LOCATION NOT OTHERWISE SPECIFIED
•
DEPARTURE FROM CITED DESIGNATOR: AS MOD BY GASOLINE,OIL AND WATER RES
•
NONDEFINITIVE SPEC/STD DATA: +3313B PART AND 3 TYPE
•
ENVIRONMENTAL PROTECTION: GASOLINE AND MILDEW RESISTANT AND OIL RESISTANT AND WATER RESISTANT
•
WIDTH: 35.750 INCHES MINIMUM AND 36.250 INCHES MAXIMUM IN
•
MATERIAL: PAPER LOCATION NOT OTHERWISE SPECIFIED
•
THICKNESS: 0.026 INCHES MINIMUM AND 0.036 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
FIBER TYPEPLANT
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-12803,NO. F326128-6 MIL SPEC SINGLE MATERIAL RESPONSE LOCATION NOT OTHERWISE SPECIFIED
DEPARTURE FROM CITED DESIGNATORAS MOD BY GASOLINE,OIL AND WATER RES
NONDEFINITIVE SPEC/STD DATA+3313B PART AND 3 TYPE
ENVIRONMENTAL PROTECTIONGASOLINE AND MILDEW RESISTANT AND OIL RESISTANT AND WATER RESISTANT
WIDTH35.750 INCHES MINIMUM AND 36.250 INCHES MAXIMUM IN
MATERIALPAPER LOCATION NOT OTHERWISE SPECIFIED
THICKNESS0.026 INCHES MINIMUM AND 0.036 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES 9
MIL-G-12803 TYP E 1 1/32IN THKReference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
N-100412 PIECE 74Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
HHP96-1-32INReference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
220421Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
1158Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
A32030AReference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is RGR-686B?
RGR-686B is a GASKET.
What parts can replace RGR-686B?
There are 9 known substitutes for RGR-686B: MIL-G-12803 TYP E 1 1/32IN THK, N-100412 PIECE 74, HHP96-1-32IN and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for RGR-686B?
RGR-686B is cataloged in the U.S. Government catalog under NSN 5330-00-467-3615. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.