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Technical Data Sheet
31484371 ✓ 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 RETAINER,NUT AND BOLT 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 5340-01-381-4309, 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
31484371
NSN: 5340-01-381-4309
FSC: 5340
CAGE: 26512 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
Part Number31484371
NSN5340-01-381-4309
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 31484371 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 7
M18161Interchangeable
interchangeable cross-reference
interchangeable
M18161XInterchangeable
interchangeable cross-reference
interchangeable
149464Interchangeable
interchangeable cross-reference
interchangeable
148437Interchangeable
interchangeable cross-reference
interchangeable
5910010385395Interchangeable
interchangeable cross-reference
interchangeable
5910PL1442302Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 31484371?
31484371 is a RETAINER,NUT AND BOLT.
What parts can replace 31484371?
There are 7 known substitutes for 31484371: M18161, M18161X, 149464 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 31484371?
31484371 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-381-4309. This indicates validated use in U.S. government and defense supply chains.
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