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Technical Data Sheet
PartsTable / COMPONENT / 55-22018-27
55-22018-27 ✓ 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 BRACKET,MOUNTING 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 5340-01-143-9472, 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
55-22018-27
NSN: 5340-01-143-9472
FSC: 5340
CAGE: 52081 — EURAMCO SAFETY INC (USA)
SPECIFICATIONS
Part Number55-22018-27
NSN5340-01-143-9472
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 55-22018-27 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 19
1080-7Interchangeable
interchangeable cross-reference
interchangeable
28023Interchangeable
interchangeable cross-reference
interchangeable
5298446Interchangeable
interchangeable cross-reference
interchangeable
147Interchangeable
interchangeable cross-reference
interchangeable
RY-177501 ITEM1112Interchangeable
interchangeable cross-reference
interchangeable
RY-177501Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 55-22018-27?
55-22018-27 is a BRACKET,MOUNTING.
What parts can replace 55-22018-27?
There are 19 known substitutes for 55-22018-27: 1080-7, 28023, 5298446 and 16 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 55-22018-27?
55-22018-27 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-143-9472. 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