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J221P904 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

J221P904: O-RING.

The O-RING is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5331-00-020-0203, 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
J221P904
NSN: 5331-00-020-0203
NIINs: 000200203, 016607473
FSC: 5331 — O-ring
CAGE: 58828 — CFM INTERNATIONAL INC DBA CFM INTERNATIONAL (USA)
SPECIFICATIONS
Part NumberJ221P904
NSN5331-00-020-0203
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: J221P904 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 10
5331PL2007478Reference document
Same NSN cross-reference
Reference document — Informative reference only
M83248-1-904Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
379643Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
992E545-10Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
8712 FIND 21Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
M93248/1-904Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Shelf-life managedAcquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is J221P904?
J221P904 is a O-RING.
What parts can replace J221P904?
There are 10 known substitutes for J221P904: 5331PL2007478, M83248-1-904, 379643 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for J221P904?
J221P904 is cataloged in the U.S. Government catalog under NSN 5331-00-020-0203. 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.