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Technical Data Sheet
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21185-401-1 — 21185-401-1

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

21185-401-1: 21185-401-1.

The 21185-401-1 is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5340-01-454-7293, 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
21185-401-1
NSN: 5340-01-454-7293
FSC: 5340 — Hardware, Commercial
CAGE: 78062 — SARGENT AEROSPACE & DEFENSE, LLC DBA SARGENT CONTROLS & AEROSPACE DIV SARGENT CONTROLS & AEROSPACE (USA)
SPECIFICATIONS
Part Number21185-401-1
NSN5340-01-454-7293
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 21185-401-1 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
SUBSTITUTES & CROSS-REFERENCES 1
21185-401Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 21185-401-1?
21185-401-1 is a 21185-401-1.
What parts can replace 21185-401-1?
There is 1 known substitute for 21185-401-1: 21185-401. Substitute compatibility should be verified for your specific system.
What is the NSN for 21185-401-1?
21185-401-1 is cataloged in the U.S. Government catalog under NSN 5340-01-454-7293. This indicates validated use in U.S. government and defense supply chains.
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