PartsTable
Technical Data Sheet
58940 ✓ 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 O-RING 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 5331-01-169-2462, 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
58940
NSN: 5331-01-169-2462
FSC: 5331 — O-RING
CAGE: 08302 — PACCAR WINCH INC DBA PACCAR WINCH DIVISION (USA)
SPECIFICATIONS
Part Number58940
NSN5331-01-169-2462
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 58940 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
75-029Interchangeable
interchangeable cross-reference
interchangeable
MIL-C-43522Interchangeable
interchangeable cross-reference
interchangeable
75-025Interchangeable
interchangeable cross-reference
interchangeable
NDC00009-0750-25Interchangeable
interchangeable cross-reference
interchangeable
MOTRINInterchangeable
interchangeable cross-reference
interchangeable
217725Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 58940?
58940 is a O-RING.
What parts can replace 58940?
There are 7 known substitutes for 58940: 75-029, MIL-C-43522, 75-025 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 58940?
58940 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-169-2462. This indicates validated use in U.S. government and defense supply chains.
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