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T111028 PIECE 9 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

T111028 PIECE 9: O-RING.

The O-RING is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5331-01-281-3812, 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
T111028 PIECE 9
NSN: 5331-01-281-3812
FSC: 5331 — O-ring
CAGE: 82796 — COLTEC INDUSTRIES INC. DBA FAIRBANKS MORSE ENGINE DIV FAIRBANKS MORSE ENGINE (USA)
SPECIFICATIONS
Part NumberT111028 PIECE 9
NSN5331-01-281-3812
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: T111028 PIECE 9 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
OTHER ITEMS IN FSC 5331 — O-ring
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5331-00-001-1971 5331-00-001-1979 5331-00-001-3904 5331-00-001-3905 5331-00-001-3906 5331-00-001-3908 5331-00-001-3923 5331-00-001-3924
SUBSTITUTES & CROSS-REFERENCES 2
T99602420121Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
N12-101Reference 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 T111028 PIECE 9?
T111028 PIECE 9 is a O-RING.
What parts can replace T111028 PIECE 9?
There are 2 known substitutes for T111028 PIECE 9: T99602420121, N12-101. Substitute compatibility should be verified for your specific system.
What is the NSN for T111028 PIECE 9?
T111028 PIECE 9 is cataloged in the U.S. Government catalog under NSN 5331-01-281-3812. This indicates validated use in U.S. government and defense supply chains.
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