PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 65A81C946
65A81C946 ✓ Verified by PartsTable
— · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The GASKET is a the manufacturer industrial component. Key specifications include hole_diameter: 0.406 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, outside_diameter: 4.125 INCHES NOMINAL IN, aperture_diameter: 2.875 INCHES NOMINAL IN, bolt_circle_diameter: 3.500 INCHES NOMINAL IN, cross-sectional_thickness: 0.020 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-182-3438, 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
65A81C946
NSN: 5330-00-182-3438
FSC: 5330
CAGE: 30003 — NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
hole_diameter0.406 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
outside_diameter4.125 INCHES NOMINAL IN
aperture_diameter2.875 INCHES NOMINAL IN
bolt_circle_diameter3.500 INCHES NOMINAL IN
cross-sectional_thickness0.020 INCHES NOMINAL IN
NSN5330-00-182-3438
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 65A81C946 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 NOMINAL IN
•
HOLE DIAMETER: 0.406 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
•
APERTURE DIAMETER: 2.875 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 4.125 INCHES NOMINAL IN
•
BOLT CIRCLE DIAMETER: 3.500 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL THICKNESS0.020 INCHES NOMINAL IN
HOLE DIAMETER0.406 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
APERTURE DIAMETER2.875 INCHES NOMINAL IN
OUTSIDE DIAMETER4.125 INCHES NOMINAL IN
BOLT CIRCLE DIAMETER3.500 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
6002-837Interchangeable
interchangeable cross-reference
interchangeable
40343Interchangeable
interchangeable cross-reference
interchangeable
4500-229Interchangeable
interchangeable cross-reference
interchangeable
68J618000-229Interchangeable
interchangeable cross-reference
interchangeable
40-342Interchangeable
interchangeable cross-reference
interchangeable
815-F 1197351 PIECE 9Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy 65A81C946?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 65A81C946?
65A81C946 is a GASKET.
What parts can replace 65A81C946?
There are 12 known substitutes for 65A81C946: 6002-837, 40343, 4500-229 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 65A81C946?
65A81C946 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-182-3438. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 65A81C946

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026