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Technical Data Sheet
PartsTable / COMPONENT / 31039/57783
31039/57783 ✓ 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 31039/57783 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 5330-01-261-1837, 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
31039/57783
NSN: 5330-01-261-1837
FSC: 5330
CAGE: F9758 — SLCE WATERMAKERS (FRA)
SPECIFICATIONS
Part Number31039/57783
NSN5330-01-261-1837
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 31039/57783 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 19
15220Interchangeable
interchangeable cross-reference
interchangeable
B94.9 5-44 UNF HS G H2Interchangeable
interchangeable cross-reference
interchangeable
C54192Interchangeable
interchangeable cross-reference
interchangeable
36072-H2Interchangeable
interchangeable cross-reference
interchangeable
310-39Interchangeable
interchangeable cross-reference
interchangeable
3100-0031Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 31039/57783?
31039/57783 is a 31039/57783.
What parts can replace 31039/57783?
There are 19 known substitutes for 31039/57783: 15220, B94.9 5-44 UNF HS G H2, C54192 and 16 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 31039/57783?
31039/57783 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-261-1837. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026