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Technical Data Sheet
PartsTable / O-RING / 21340 FIND 44
21340 FIND 44 ✓ 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 O-RING is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-166-8406, 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
21340 FIND 44
NSN: 5331-00-166-8406
FSC: 5331 — O-RING
CAGE: 78062 — SARGENT AEROSPACE & DEFENSE, LLC DBA SARGENT CONTROLS & AEROSPACE DIV SARGENT CONTROLS & AEROSPACE (USA)
SPECIFICATIONS
Part Number21340 FIND 44
NSN5331-00-166-8406
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 21340 FIND 44 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 25
AS 568-219Interchangeable
interchangeable cross-reference
interchangeable
3296038Interchangeable
interchangeable cross-reference
interchangeable
385976Interchangeable
interchangeable cross-reference
interchangeable
J0L02US5J99YHInterchangeable
interchangeable cross-reference
interchangeable
892929-1Interchangeable
interchangeable cross-reference
interchangeable
2-219N552-90Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 21340 FIND 44?
21340 FIND 44 is a O-RING.
What parts can replace 21340 FIND 44?
There are 25 known substitutes for 21340 FIND 44: AS 568-219, 3296038, 385976 and 22 more. Substitute compatibility should be verified for your specific system.
Is 21340 FIND 44 still available?
21340 FIND 44 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026