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Technical Data Sheet
PartsTable / O-RING / E-8709935 PIECE 125
E-8709935 PIECE 125 ✓ 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 5331-01-137-6907, 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
E-8709935 PIECE 125
NSN: 5331-01-137-6907
FSC: 5331 — O-RING
CAGE: 71871 — ALFA LAVAL INC (USA)
SPECIFICATIONS
Part NumberE-8709935 PIECE 125
NSN5331-01-137-6907
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: E-8709935 PIECE 125 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 21
B93-2Interchangeable
interchangeable cross-reference
interchangeable
B93SET2Interchangeable
interchangeable cross-reference
interchangeable
B93HYT2Interchangeable
interchangeable cross-reference
interchangeable
20C3027-1Interchangeable
interchangeable cross-reference
interchangeable
20C3027-3Interchangeable
interchangeable cross-reference
interchangeable
20C3027-2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is E-8709935 PIECE 125?
E-8709935 PIECE 125 is a O-RING.
What parts can replace E-8709935 PIECE 125?
There are 21 known substitutes for E-8709935 PIECE 125: B93-2, B93SET2, B93HYT2 and 18 more. Substitute compatibility should be verified for your specific system.
Is E-8709935 PIECE 125 still available?
E-8709935 PIECE 125 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