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Technical Data Sheet
PartsTable / COMPONENT / 66D38537
66D38537 ✓ 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 STRAP,WEBBING 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 5340-00-450-7892, 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
66D38537
NSN: 5340-00-450-7892
FSC: 5340
CAGE: 98750 — SAN ANTONIO AIR LOGISTICS CENTER (USA)
SPECIFICATIONS
Part Number66D38537
NSN5340-00-450-7892
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 66D38537 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
6515NCM115871Upgraded Successor
successor cross-reference
successor
218.090Upgraded Successor
successor cross-reference
successor
1662-3Interchangeable
interchangeable cross-reference
interchangeable
DS-936243Interchangeable
interchangeable cross-reference
interchangeable
ND16X1AInterchangeable
interchangeable cross-reference
interchangeable
E16Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 66D38537?
66D38537 is a STRAP,WEBBING.
What parts can replace 66D38537?
There are 16 known substitutes for 66D38537: 6515NCM115871, 218.090, 1662-3 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 66D38537?
66D38537 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-450-7892. 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