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Technical Data Sheet
N61138 ✓ 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

SEAT,HELICAL COMPRESSION SPRING. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-367-1564, 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
N61138
NSN: 5340-01-367-1564
FSC: 5340
CAGE: 35795 — LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC (USA)
SPECIFICATIONS
Part NumberN61138
NSN5340-01-367-1564
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: N61138 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 16
61138Interchangeable
interchangeable cross-reference
interchangeable
Z00.N5123692369Interchangeable
interchangeable cross-reference
interchangeable
AN526C1032R8Interchangeable
interchangeable cross-reference
interchangeable
935.65.16.349Interchangeable
interchangeable cross-reference
interchangeable
2439909-1Interchangeable
interchangeable cross-reference
interchangeable
535.3750Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is N61138?
N61138 is a SEAT,HELICAL COMPRESSION SPRING.
What parts can replace N61138?
There are 16 known substitutes for N61138: 61138, Z00.N5123692369, AN526C1032R8 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for N61138?
N61138 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-367-1564. This indicates validated use in U.S. government and defense supply chains.
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