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21050N PIECE 5 — RETAINER,PACKING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

21050N PIECE 5: RETAINER,PACKING.

The RETAINER,PACKING is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5330-01-231-3294, 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
21050N PIECE 5
NSN: 5330-01-231-3294
FSC: 5330 — Packing and Gasket Materials
CAGE: 35795 — LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC (USA)
SPECIFICATIONS
Part Number21050N PIECE 5
NSN5330-01-231-3294
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 21050N PIECE 5 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 4
22948Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
23779N PC NO. 5Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
22000N PC 10Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
16606N PC NO 11Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 21050N PIECE 5?
21050N PIECE 5 is a RETAINER,PACKING.
What parts can replace 21050N PIECE 5?
There are 4 known substitutes for 21050N PIECE 5: 22948, 23779N PC NO. 5, 22000N PC 10 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 21050N PIECE 5?
21050N PIECE 5 is cataloged in the U.S. Government catalog under NSN 5330-01-231-3294. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.