PartsTable
Technical Data Sheet
18555-12 ✓ 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 COVER,ACCESS is a the manufacturer industrial component. Key specifications include peripheral_shape_style: TRIANGLE, ROUNDED CORNERS, THREE HOLES, end_item_identification: 6115-01-611-8093, part_name_assigned_by_controlling_agency: COVER. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-620-2888, 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
18555-12
NSN: 5340-01-620-2888
FSC: 5340
CAGE: 3Z577 — ONAN CORP ONAN POWER/ELECTRONICS DIV (USA)
SPECIFICATIONS
peripheral_shape_styleTRIANGLE, ROUNDED CORNERS, THREE HOLES
end_item_identification6115-01-611-8093
part_name_assigned_by_controlling_agencyCOVER
NSN5340-01-620-2888
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 18555-12 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
PERIPHERAL SHAPE STYLE: TRIANGLE, ROUNDED CORNERS, THREE HOLES
TECHNICAL CHARACTERISTICS (FLIS)
PERIPHERAL SHAPE STYLETRIANGLE, ROUNDED CORNERS, THREE HOLES
END ITEM IDENTIFICATION6115-01-611-8093
PART NAME ASSIGNED BY CONTROLLING AGENCYCOVER
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
53-60Interchangeable
interchangeable cross-reference
interchangeable
18555-12Interchangeable
interchangeable cross-reference
interchangeable
18555 REV FInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 18555-12?
18555-12 is a COVER,ACCESS.
What parts can replace 18555-12?
There are 3 known substitutes for 18555-12: 53-60, 18555-12, 18555 REV F. Substitute compatibility should be verified for your specific system.
What is the NSN for 18555-12?
18555-12 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-620-2888. This indicates validated use in U.S. government and defense supply chains.
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