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Technical Data Sheet
PartsTable / COMPONENT / 4721074-1
4721074-1 ✓ 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. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-091-7797, 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
4721074-1
NSN: 5330-01-091-7797
FSC: 5330
CAGE: 14578 — GENERAL DYNAMICS ORDNANCE & TACTICAL SYSTEMS, INC. DBA GENERAL DYNAMICS ORDINANCE AND TACTICAL SYSTEMS DIV GENERAL DYNAMICS ORDNANCE AND (USA)
SPECIFICATIONS
Part Number4721074-1
NSN5330-01-091-7797
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 4721074-1 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
54104Interchangeable
interchangeable cross-reference
interchangeable
A-16590Interchangeable
interchangeable cross-reference
interchangeable
G395946-1Interchangeable
interchangeable cross-reference
interchangeable
506238Interchangeable
interchangeable cross-reference
interchangeable
54-102Interchangeable
interchangeable cross-reference
interchangeable
012163-0002Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4721074-1?
4721074-1 is a GASKET.
What parts can replace 4721074-1?
There are 10 known substitutes for 4721074-1: 54104, A-16590, G395946-1 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 4721074-1?
4721074-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-091-7797. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026