PartsTable
Technical Data Sheet
IF280-140N ✓ 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

CAP,PROTECTIVE,DUST AND MOISTURE. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-364-6440, 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
IF280-140N
NSN: 5340-01-364-6440
FSC: 5340
CAGE: 1Q4V7 — SEBAGO MOLDERS, LLC (USA)
SPECIFICATIONS
Part NumberIF280-140N
NSN5340-01-364-6440
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: IF280-140N 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 5
040-21-01Upgraded Successor
successor cross-reference
successor
040210.1Upgraded Successor
successor cross-reference
successor
AA961M015A1Interchangeable
interchangeable cross-reference
interchangeable
202D967X0015A1Interchangeable
interchangeable cross-reference
interchangeable
5310005321040Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is IF280-140N?
IF280-140N is a CAP,PROTECTIVE,DUST AND MOISTURE.
What parts can replace IF280-140N?
There are 5 known substitutes for IF280-140N: 040-21-01, 040210.1, AA961M015A1 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for IF280-140N?
IF280-140N is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-364-6440. This indicates validated use in U.S. government and defense supply chains.
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