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Technical Data Sheet
PartsTable / COMPONENT / 055518
055518 ✓ 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 MOUNT,RESILIENT,UTILITY is a the manufacturer industrial component. Key specifications include end_item_identification: GENERATOR SET,GASOLINE,7.5 MCGA, part_name_assigned_by_controlling_agency: ISOLATOR. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-691-1306, 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
055518
NSN: 5340-01-691-1306
FSC: 5340
CAGE: 03798 — WESTERBEKE CORPORATION (USA)
SPECIFICATIONS
end_item_identificationGENERATOR SET,GASOLINE,7.5 MCGA
part_name_assigned_by_controlling_agencyISOLATOR
NSN5340-01-691-1306
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 055518 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
TECHNICAL CHARACTERISTICS (FLIS)
PART NAME ASSIGNED BY CONTROLLING AGENCYISOLATOR
END ITEM IDENTIFICATIONGENERATOR SET,GASOLINE,7.5 MCGA
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
E18-2Interchangeable
interchangeable cross-reference
interchangeable
B18-3Interchangeable
interchangeable cross-reference
interchangeable
00725665450327Interchangeable
interchangeable cross-reference
interchangeable
55518Interchangeable
interchangeable cross-reference
interchangeable
SMB187096Interchangeable
interchangeable cross-reference
interchangeable
3A4573Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 055518?
055518 is a MOUNT,RESILIENT,UTILITY.
What parts can replace 055518?
There are 6 known substitutes for 055518: E18-2, B18-3, 00725665450327 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 055518?
055518 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-691-1306. 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