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21344-8 — RETAINER,PACKING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

21344-8: RETAINER,PACKING.

The RETAINER,PACKING is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5330-01-417-7286, 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
21344-8
NSN: 5330-01-417-7286
FSC: 5330 — Packing and Gasket Materials
CAGE: 78062 — SARGENT AEROSPACE & DEFENSE, LLC DBA SARGENT CONTROLS & AEROSPACE DIV SARGENT CONTROLS & AEROSPACE (USA)
SPECIFICATIONS
Part Number21344-8
NSN5330-01-417-7286
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 21344-8 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 2
21343-8Reference document
Same NSN cross-reference
Reference document — Secondary reference
21343-1004-1Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
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 21344-8?
21344-8 is a RETAINER,PACKING.
What parts can replace 21344-8?
There are 2 known substitutes for 21344-8: 21343-8, 21343-1004-1. Substitute compatibility should be verified for your specific system.
What is the NSN for 21344-8?
21344-8 is cataloged in the U.S. Government catalog under NSN 5330-01-417-7286. This indicates validated use in U.S. government and defense supply chains.
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