PartsTable
Technical Data Sheet
37013-40 ✓ 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 5340-01-291-2223, 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
37013-40
NSN: 5340-01-291-2223
FSC: 5340
CAGE: 31361 — WOODWARD, INC. (USA)
SPECIFICATIONS
Part Number37013-40
NSN5340-01-291-2223
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 37013-40 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 5
37023Upgraded Successor
successor cross-reference
successor
370023Upgraded Successor
successor cross-reference
successor
5340PL0940444Upgraded Successor
successor cross-reference
successor
P56SX010Upgraded Successor
successor cross-reference
successor
L-G-T6-VInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 37013-40?
37013-40 is a SEAT,HELICAL COMPRESSION SPRING.
What parts can replace 37013-40?
There are 5 known substitutes for 37013-40: 37023, 370023, 5340PL0940444 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 37013-40?
37013-40 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-291-2223. This indicates validated use in U.S. government and defense supply chains.
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