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Technical Data Sheet
PartsTable / O-RING / 2642-785-01 ITEM 89
2642-785-01 ITEM 89 ✓ 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 part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-166-1066, 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
2642-785-01 ITEM 89
NSN: 5331-00-166-1066
FSC: 5331 — O-RING
CAGE: 96169 — ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT (USA)
SPECIFICATIONS
Part Number2642-785-01 ITEM 89
NSN5331-00-166-1066
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 2642-785-01 ITEM 89 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 22
51670Interchangeable
interchangeable cross-reference
interchangeable
13-800Interchangeable
interchangeable cross-reference
interchangeable
5429-1Interchangeable
interchangeable cross-reference
interchangeable
G350195S1Interchangeable
interchangeable cross-reference
interchangeable
24472Interchangeable
interchangeable cross-reference
interchangeable
TE1424-9Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2642-785-01 ITEM 89?
2642-785-01 ITEM 89 is a O-RING.
What parts can replace 2642-785-01 ITEM 89?
There are 22 known substitutes for 2642-785-01 ITEM 89: 51670, 13-800, 5429-1 and 19 more. Substitute compatibility should be verified for your specific system.
Is 2642-785-01 ITEM 89 still available?
2642-785-01 ITEM 89 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026