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Technical Data Sheet
3907973 ✓ 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 GASKET 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 5330-01-272-1146, 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
3907973
NSN: 5330-01-272-1146
FSC: 5330
CAGE: ZC672 — CUMMINS SOUTH PACIFIC PTY LTD HEAD OFFICE (AUS)
SPECIFICATIONS
Part Number3907973
NSN5330-01-272-1146
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 3907973 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
1118541Interchangeable
interchangeable cross-reference
interchangeable
5628Interchangeable
IBM 1600W AC Power Supply
interchangeable
3911941Interchangeable
interchangeable cross-reference
interchangeable
J911941Interchangeable
Same NIIN cross-reference
interchangeable
75206879Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3907973?
3907973 is a GASKET.
What parts can replace 3907973?
There are 5 known substitutes for 3907973: 1118541, 5628, 3911941 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 3907973?
3907973 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-272-1146. This indicates validated use in U.S. government and defense supply chains.
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