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Technical Data Sheet
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NB31286772 — NB31286772

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

NB31286772: NB31286772.

The NB31286772 is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5330-01-173-3377, 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
NB31286772
NSN: 5330-01-173-3377
FSC: 5330 — Packing and Gasket Materials
CAGE: 35795 — LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC (USA)
SPECIFICATIONS
Part NumberNB31286772
NSN5330-01-173-3377
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: NB31286772 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
PL3311 ITEM 22Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
12867-72Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 NB31286772?
NB31286772 is a NB31286772.
What parts can replace NB31286772?
There are 2 known substitutes for NB31286772: PL3311 ITEM 22, 12867-72. Substitute compatibility should be verified for your specific system.
What is the NSN for NB31286772?
NB31286772 is cataloged in the U.S. Government catalog under NSN 5330-01-173-3377. This indicates validated use in U.S. government and defense supply chains.
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