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154B1040 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

154B1040: O-RING.

The O-RING is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5331-01-690-2165, 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
154B1040
NSN: 5331-01-690-2165
FSC: 5331 — O-ring
CAGE: 0M7H9 — R R TRANSMISSIONS INC (USA)
SPECIFICATIONS
Part Number154B1040
NSN5331-01-690-2165
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 154B1040 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
EX-1621 POS 11Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
C140072Same 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 154B1040?
154B1040 is a O-RING.
What parts can replace 154B1040?
There are 2 known substitutes for 154B1040: EX-1621 POS 11, C140072. Substitute compatibility should be verified for your specific system.
What is the NSN for 154B1040?
154B1040 is cataloged in the U.S. Government catalog under NSN 5331-01-690-2165. This indicates validated use in U.S. government and defense supply chains.
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