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Technical Data Sheet
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S12766-113 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

S12766-113: O-RING.

The O-RING is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5331-01-727-4742, 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
S12766-113
NSN: 5331-01-727-4742
FSC: 5331 — O-ring
CAGE: 09257 — TRELLEBORG SEALING SOLUTIONS US, INC. (USA)
SPECIFICATIONS
Part NumberS12766-113
NSN5331-01-727-4742
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: S12766-113 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
SUBSTITUTES & CROSS-REFERENCES 1
S12766Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is S12766-113?
S12766-113 is a O-RING.
What parts can replace S12766-113?
There is 1 known substitute for S12766-113: S12766. Substitute compatibility should be verified for your specific system.
What is the NSN for S12766-113?
S12766-113 is cataloged in the U.S. Government catalog under NSN 5331-01-727-4742. This indicates validated use in U.S. government and defense supply chains.
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