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Technical Data Sheet
PartsTable / COMPONENT / 100388-9000-086
100388-9000-086 ✓ 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 SYNTHETIC, overall_height: 0.437 INCHES NOMINAL IN, groove_diameter: 0.250 INCHES NOMINAL IN, style_designator: DOUBLE FLANGE, top_flange_width: 0.187 INCHES NOMINAL IN, bottom_flange_width: 0.125 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 5340-01-043-9182, 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
100388-9000-086
NSN: 5340-01-043-9182
FSC: 5340
CAGE: K1806 — MINISTRY OF DEFENCE, DE&S UNDERWATER AND ELECTRONIC WARFARE PT (UEW IPT) (GBR)
SPECIFICATIONS
materialRUBBER SYNTHETIC
overall_height0.437 INCHES NOMINAL IN
groove_diameter0.250 INCHES NOMINAL IN
style_designatorDOUBLE FLANGE
top_flange_width0.187 INCHES NOMINAL IN
bottom_flange_width0.125 INCHES NOMINAL IN
bottom_flange_diameter0.312 INCHES NOMINAL IN
outside/top_flange_diameter0.437 INCHES NOMINAL IN
NSN5340-01-043-9182
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 100388-9000-086 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: 0.125 INCHES NOMINAL IN
•
BOTTOM FLANGE DIAMETER: 0.312 INCHES NOMINAL IN
•
GROOVE DIAMETER: 0.250 INCHES NOMINAL IN
•
STYLE DESIGNATOR: DOUBLE FLANGE
•
OUTSIDE/TOP FLANGE DIAMETER: 0.437 INCHES NOMINAL IN
•
MATERIAL: RUBBER SYNTHETIC
•
TOP FLANGE WIDTH: 0.187 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
BOTTOM FLANGE WIDTH0.125 INCHES NOMINAL IN
BOTTOM FLANGE DIAMETER0.312 INCHES NOMINAL IN
GROOVE DIAMETER0.250 INCHES NOMINAL IN
STYLE DESIGNATORDOUBLE FLANGE
OUTSIDE/TOP FLANGE DIAMETER0.437 INCHES NOMINAL IN
MATERIALRUBBER SYNTHETIC
TOP FLANGE WIDTH0.187 INCHES NOMINAL IN
OVERALL HEIGHT0.437 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
3FT31Interchangeable
interchangeable cross-reference
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365948015Interchangeable
interchangeable cross-reference
interchangeable
3522Interchangeable
interchangeable cross-reference
interchangeable
831-63-811Interchangeable
interchangeable cross-reference
interchangeable
318M0007P001Interchangeable
interchangeable cross-reference
interchangeable
3263Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 100388-9000-086?
100388-9000-086 is a BUMPER.
What parts can replace 100388-9000-086?
There are 17 known substitutes for 100388-9000-086: 3FT31, 365948015, 3522 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 100388-9000-086?
100388-9000-086 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-043-9182. 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