PartsTable
Technical Data Sheet
GN5331 PIECE-21 ✓ 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 product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-195-4872, 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
GN5331 PIECE-21
NSN: 5331-01-195-4872
FSC: 5331 — O-RING
CAGE: 09032 — TATE ANDALE, LLC (USA)
SPECIFICATIONS
Part NumberGN5331 PIECE-21
NSN5331-01-195-4872
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: GN5331 PIECE-21 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 4
53-549Interchangeable
interchangeable cross-reference
interchangeable
0705Interchangeable
interchangeable cross-reference
interchangeable
22141Interchangeable
interchangeable cross-reference
interchangeable
53549AInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is GN5331 PIECE-21?
GN5331 PIECE-21 is a O-RING.
What parts can replace GN5331 PIECE-21?
There are 4 known substitutes for GN5331 PIECE-21: 53-549, 0705, 22141 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for GN5331 PIECE-21?
GN5331 PIECE-21 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-195-4872. This indicates validated use in U.S. government and defense supply chains.
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