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Technical Data Sheet
PartsTable / COMPONENT / 31145L1
31145L1 ✓ 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. Key specifications include reference_number_differentiating_characteristics: QUALITY CONTROLLED IN ACCORDANCE WITH NAVY LEVEL 1 ASSURANCE GUIDE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-042-0411, 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
31145L1
NSN: 5330-00-042-0411
FSC: 5330
CAGE: 35795 — LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC (USA)
SPECIFICATIONS
reference_number_differentiating_characteristicsQUALITY CONTROLLED IN ACCORDANCE WITH NAVY LEVEL 1 ASSURANCE GUIDE
NSN5330-00-042-0411
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 31145L1 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
KEY FEATURES
•
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: QUALITY CONTROLLED IN ACCORDANCE WITH NAVY LEVEL 1 ASSURANCE GUIDE
TECHNICAL CHARACTERISTICS (FLIS)
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSQUALITY CONTROLLED IN ACCORDANCE WITH NAVY LEVEL 1 ASSURANCE GUIDE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
31-145Interchangeable
interchangeable cross-reference
interchangeable
73-805163-2Interchangeable
interchangeable cross-reference
interchangeable
4102-0001Interchangeable
interchangeable cross-reference
interchangeable
10-200614-02SInterchangeable
interchangeable cross-reference
interchangeable
43677Interchangeable
interchangeable cross-reference
interchangeable
4162Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 31145L1?
31145L1 is a GASKET.
What parts can replace 31145L1?
There are 14 known substitutes for 31145L1: 31-145, 73-805163-2, 4102-0001 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 31145L1?
31145L1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-042-0411. 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