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Technical Data Sheet
PartsTable / COMPONENT / 91-1186-15
91-1186-15 ✓ 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 GASKET is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-359-6726, 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
91-1186-15
NSN: 5330-01-359-6726
FSC: 5330
CAGE: 19857 — THE ELECTRIC HEATER CO DBA HUBBELL ELECTRIC HEATER CO. (USA)
SPECIFICATIONS
Part Number91-1186-15
NSN5330-01-359-6726
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 91-1186-15 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
B10-2Interchangeable
interchangeable cross-reference
interchangeable
43654Interchangeable
interchangeable cross-reference
interchangeable
00725665450150Interchangeable
interchangeable cross-reference
interchangeable
EG873Interchangeable
interchangeable cross-reference
interchangeable
EG-758Interchangeable
interchangeable cross-reference
interchangeable
EG-818Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 91-1186-15?
91-1186-15 is a GASKET.
What parts can replace 91-1186-15?
There are 22 known substitutes for 91-1186-15: B10-2, 43654, 00725665450150 and 19 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 91-1186-15?
91-1186-15 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-359-6726. 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