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Technical Data Sheet
PartsTable / O-RING / Y109101004N ITEM 31
Y109101004N ITEM 31 ✓ 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 5331-01-253-7142, 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
Y109101004N ITEM 31
NSN: 5331-01-253-7142
FSC: 5331 — O-RING
CAGE: 35795 — LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC (USA)
SPECIFICATIONS
Part NumberY109101004N ITEM 31
NSN5331-01-253-7142
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: Y109101004N ITEM 31 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
FL11N50Interchangeable
interchangeable cross-reference
interchangeable
632A081A01Interchangeable
interchangeable cross-reference
interchangeable
64050Interchangeable
interchangeable cross-reference
interchangeable
16075DInterchangeable
interchangeable cross-reference
interchangeable
V8263Interchangeable
interchangeable cross-reference
interchangeable
101760-005Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is Y109101004N ITEM 31?
Y109101004N ITEM 31 is a O-RING.
What parts can replace Y109101004N ITEM 31?
There are 7 known substitutes for Y109101004N ITEM 31: FL11N50, 632A081A01, 64050 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for Y109101004N ITEM 31?
Y109101004N ITEM 31 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-253-7142. 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