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Technical Data Sheet
PartsTable / COMPONENT / 782-7666609 ITEM 53
782-7666609 ITEM 53 ✓ 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 PAD,CUSHIONING 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 5340-01-642-0487, 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
782-7666609 ITEM 53
NSN: 5340-01-642-0487
FSC: 5340
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
Part Number782-7666609 ITEM 53
NSN5340-01-642-0487
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 782-7666609 ITEM 53 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 8
A-A-59588-2B70Interchangeable
interchangeable cross-reference
interchangeable
ZZ-R-765Interchangeable
interchangeable cross-reference
interchangeable
A-A-59588Interchangeable
interchangeable cross-reference
interchangeable
AS568-908ZZR765CL2BGR70Interchangeable
interchangeable cross-reference
interchangeable
AS568-908Interchangeable
interchangeable cross-reference
interchangeable
A6689.213.343Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 782-7666609 ITEM 53?
782-7666609 ITEM 53 is a PAD,CUSHIONING.
What parts can replace 782-7666609 ITEM 53?
There are 8 known substitutes for 782-7666609 ITEM 53: A-A-59588-2B70, ZZ-R-765, A-A-59588 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 782-7666609 ITEM 53?
782-7666609 ITEM 53 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-642-0487. 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