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Technical Data Sheet
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55404 ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The LOCKNUT,ELECTRICAL CONDUIT is a the manufacturer industrial component. Key specifications include material: STEEL, edge_type: KNUCKLE EDGE, filament_size: 0.1480 INCHES NOMINAL IN, overall_height: 48.000 INCHES NOMINAL IN, mesh_shape_style: DIAMOND SQUARE, surface_treatment: ZINC. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 1270-00-674-7990, 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
55404
NSN: 1270-00-674-7990
FSC: 1270
CAGE: 15280 — NORTHROP GRUMMAN SYSTEMS CORPORATION DIV ES DEFENSIVE SYSTEMS DIVISION (USA)
SPECIFICATIONS
materialSTEEL
edge_typeKNUCKLE EDGE
mesh_size2
filament_size0.1480 INCHES NOMINAL IN
overall_height48.000 INCHES NOMINAL IN
mesh_shape_styleDIAMOND SQUARE
surface_treatmentZINC
fabrication_methodWOVEN
nondefinitive_spec/std_data1 TYPE AND A GRADE
NSN1270-00-674-7990
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available LOCKNUT,ELECTRICAL CONDUIT TITLE COMPONENT PN 55404 MFR LOCKNUT,ELECTRICAL CON
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
1125Interchangeable
interchangeable cross-reference
interchangeable
RRF191Interchangeable
interchangeable cross-reference
interchangeable
CL0685GBWInterchangeable
interchangeable cross-reference
interchangeable
55404Interchangeable
interchangeable cross-reference
interchangeable
121219H3Interchangeable
interchangeable cross-reference
interchangeable
1212190H2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 55404?
55404 is a LOCKNUT,ELECTRICAL CONDUIT.
What parts can replace 55404?
There are 6 known substitutes for 55404: 1125, RRF191, CL0685GBW and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 55404?
55404 is cataloged in the Federal Logistics Information System (FLIS) under NSN 1270-00-674-7990. 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