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168682R1 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

168682R1: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include material: CELLULOSE AND RUBBER SYNTHETIC OVERALL, hole_diameter: 0.344 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, overall_width: 4.812 INCHES NOMINAL IN, bolt_circle_diameter: 4.187 INCHES NOMINAL IN, outside_corner_radius: 0.312 INCHES NOMINAL IN, cross-sectional_thickness: 0.020 INCHES MINIMUM AND 0.024 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-426-8383, 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
168682R1
NSN: 5330-00-426-8383
FSC: 5330 — Packing and Gasket Materials
CAGE: 89346 — NAVISTAR INTL CORP TRUCK BR OHIO PLANT (USA)
SPECIFICATIONS
materialCELLULOSE AND RUBBER SYNTHETIC OVERALL
hole_diameter0.344 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
overall_width4.812 INCHES NOMINAL IN
bolt_circle_diameter4.187 INCHES NOMINAL IN
outside_corner_radius0.312 INCHES NOMINAL IN
cross-sectional_thickness0.020 INCHES MINIMUM AND 0.024 INCHES MAXIMUM IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
material_document_and_classificationBW334M FSCM 06853 MFR REF ALL MATERIAL RESPONSES OVERALL
NSN5330-00-426-8383
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 168682R1 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
•
CROSS-SECTIONAL THICKNESS: 0.020 INCHES MINIMUM AND 0.024 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: BW334M FSCM 06853 MFR REF ALL MATERIAL RESPONSES OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
BOLT CIRCLE DIAMETER: 4.187 INCHES NOMINAL IN
•
OUTSIDE CORNER RADIUS: 0.312 INCHES NOMINAL IN
•
MATERIAL: CELLULOSE AND RUBBER SYNTHETIC OVERALL
•
HOLE DIAMETER: 0.344 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.020 INCHES MINIMUM AND 0.024 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONBW334M FSCM 06853 MFR REF ALL MATERIAL RESPONSES OVERALL
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OVERALL WIDTH4.812 INCHES NOMINAL IN
BOLT CIRCLE DIAMETER4.187 INCHES NOMINAL IN
OUTSIDE CORNER RADIUS0.312 INCHES NOMINAL IN
MATERIALCELLULOSE AND RUBBER SYNTHETIC OVERALL
HOLE DIAMETER0.344 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
SUBSTITUTES & CROSS-REFERENCES 7
235425Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
2305384Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
57CX180Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
2231059Reference document
Same NSN cross-reference
Reference document — Secondary reference
BW230919Reference document
Same NSN cross-reference
Reference document — Secondary reference
6B235425Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 168682R1?
168682R1 is a GASKET.
What parts can replace 168682R1?
There are 7 known substitutes for 168682R1: 235425, 2305384, 57CX180 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 168682R1?
168682R1 is cataloged in the U.S. Government catalog under NSN 5330-00-426-8383. 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.