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Technical Data Sheet
PartsTable / COMPONENT / 129766
129766 ✓ 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 BUMPER is a the manufacturer industrial component. Key specifications include material: RUBBER, overall_height: 0.812 INCHES NOMINAL IN, groove_diameter: 0.438 INCHES NOMINAL IN, special_features: TOP FLANGE EXTENDS TO A POINT, style_designator: DOUBLE FLANGE, top_flange_width: 0.406 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-163-2613, 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
129766
NSN: 5340-00-163-2613
FSC: 5340
CAGE: 14028 — SYPRIS ELECTRONICS, LLC (USA)
SPECIFICATIONS
materialRUBBER
overall_height0.812 INCHES NOMINAL IN
groove_diameter0.438 INCHES NOMINAL IN
special_featuresTOP FLANGE EXTENDS TO A POINT
style_designatorDOUBLE FLANGE
top_flange_width0.406 INCHES NOMINAL IN
bottom_flange_width0.156 INCHES NOMINAL IN
bottom_flange_diameter1.625 INCHES NOMINAL IN
outside/top_flange_diameter0.625 INCHES NOMINAL IN
NSN5340-00-163-2613
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 129766 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
KEY FEATURES
•
BOTTOM FLANGE WIDTH: 0.156 INCHES NOMINAL IN
•
BOTTOM FLANGE DIAMETER: 1.625 INCHES NOMINAL IN
•
GROOVE DIAMETER: 0.438 INCHES NOMINAL IN
•
MATERIAL: RUBBER
•
STYLE DESIGNATOR: DOUBLE FLANGE
•
OUTSIDE/TOP FLANGE DIAMETER: 0.625 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
BOTTOM FLANGE WIDTH0.156 INCHES NOMINAL IN
SPECIAL FEATURESTOP FLANGE EXTENDS TO A POINT
OVERALL HEIGHT0.812 INCHES NOMINAL IN
BOTTOM FLANGE DIAMETER1.625 INCHES NOMINAL IN
GROOVE DIAMETER0.438 INCHES NOMINAL IN
MATERIALRUBBER
STYLE DESIGNATORDOUBLE FLANGE
OUTSIDE/TOP FLANGE DIAMETER0.625 INCHES NOMINAL IN
TOP FLANGE WIDTH0.406 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
6371Interchangeable
interchangeable cross-reference
interchangeable
R103B15Interchangeable
interchangeable cross-reference
interchangeable
D14131-15Interchangeable
interchangeable cross-reference
interchangeable
MILF2692Interchangeable
interchangeable cross-reference
interchangeable
04271-0254Interchangeable
interchangeable cross-reference
interchangeable
DA6371Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 129766?
129766 is a BUMPER.
What parts can replace 129766?
There are 18 known substitutes for 129766: 6371, R103B15, D14131-15 and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 129766?
129766 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-163-2613. 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