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Technical Data Sheet
55555 ✓ 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,ELECTRICAL CONNECTOR is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, nut_style: HEXAGON, end_radius: 0.375 INCHES NOMINAL IN, nut_height: 0.219 INCHES NOMINAL IN, shank_length: 1.188 INCHES NOMINAL IN, thread_class: 3A ROD CONNECTION A. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-318-6389, 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
55555
NSN: 5340-00-318-6389
FSC: 5340
CAGE: 62983 — EATON AEROSPACE, LLC DBA JACKSON SOUTH (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_styleHEXAGON
end_radius0.375 INCHES NOMINAL IN
nut_height0.219 INCHES NOMINAL IN
shank_length1.188 INCHES NOMINAL IN
thread_class3A ROD CONNECTION A
hole_diameter0.375 INCHES NOMINAL IN
overall_width0.750 INCHES NOMINAL IN
thread_length1.062 INCHES NOMINAL ROD CONNECTION IN
thread_seriesUNF
overall_height0.750 INCHES NOMINAL IN
shank_diameter0.375 INCHES NOMINAL IN
NSN5340-00-318-6389
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 55555 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
NOMINAL THREAD SIZE: 0.375 INCHES ROD CONNECTION IN
HOLE DIAMETER: 0.375 INCHES NOMINAL IN
THREAD SERIES DESIGNATOR: UNF ROD CONNECTION
END RADIUS: 0.375 INCHES NOMINAL IN
SHANK DIAMETER: 0.375 INCHES NOMINAL IN
SHANK LENGTH: 1.188 INCHES NOMINAL IN
STYLE DESIGNATOR: CLEVIS
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL HEIGHT0.750 INCHES NOMINAL IN
NOMINAL THREAD SIZE0.375 INCHES ROD CONNECTION IN
HOLE DIAMETER0.375 INCHES NOMINAL IN
THREAD SERIES DESIGNATORUNF ROD CONNECTION
END RADIUS0.375 INCHES NOMINAL IN
SHANK DIAMETER0.375 INCHES NOMINAL IN
SHANK LENGTH1.188 INCHES NOMINAL IN
STYLE DESIGNATORCLEVIS
THREAD DIRECTIONRIGHT-HAND ROD CONNECTION
DISTANCE FROM PIVOT PINHOLE CENTER TO ROD CONNECTION END1.938 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
555-55Interchangeable
interchangeable cross-reference
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CA1425Interchangeable
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MPL-1197Interchangeable
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W96302Interchangeable
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DE224S7802-178216PC256Interchangeable
Same NIIN cross-reference
interchangeable
CR56159PC256Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 55555?
55555 is a COVER,ELECTRICAL CONNECTOR.
What parts can replace 55555?
There are 12 known substitutes for 55555: 555-55, CA1425, MPL-1197 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 55555?
55555 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-318-6389. This indicates validated use in U.S. government and defense supply chains.
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