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Technical Data Sheet
PartsTable / COMPONENT / 371-0421-040NL
371-0421-040NL ✓ 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 BACKSHELL,ELECTRICAL CONNECTOR is a the manufacturer industrial component. Key specifications include overall_width: 0.469 INCHES MINIMUM AND 0.514 INCHES MAXIMUM IN, overall_height: 1.500 INCHES MINIMUM AND 1.563 INCHES MAXIMUM IN, overall_length: 2.703 INCHES MINIMUM AND 2.733 INCHES MAXIMUM IN, style_designator: HOOD TYPE W/FLANGE, surface_treatment: CADMIUM, cable_opening_diameter: 0.297 INCHES MINIMUM AND 0.327 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5935-01-037-0898, 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
371-0421-040NL
NSN: 5935-01-037-0898
FSC: 5935
CAGE: 95105 — ROCKWELL COLLINS, INC. DIV COLLINS AEROSPACE - MISSION SYSTEMS (USA)
SPECIFICATIONS
overall_width0.469 INCHES MINIMUM AND 0.514 INCHES MAXIMUM IN
overall_height1.500 INCHES MINIMUM AND 1.563 INCHES MAXIMUM IN
overall_length2.703 INCHES MINIMUM AND 2.733 INCHES MAXIMUM IN
size_designation4
style_designatorHOOD TYPE W/FLANGE
surface_treatmentCADMIUM
cable_opening_diameter0.297 INCHES MINIMUM AND 0.327 INCHES MAXIMUM IN
cable_opening_quantity1
specification/standard_data81349-MIL-C-24308/20 GOVERNMENT SPECIFICATION
unthreaded_mounting_hole_diameter0.131 INCHES MINIMUM AND 0.141 INCHES MAXIMUM IN
mounting_facility_type_and_quantity2 UNTHREADED HOLE(S)
distance_between_mounting_facility_centers2.495 INCHES MINIMUM AND 2.505 INCHES MAXIMUM IN
NSN5935-01-037-0898
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available BACKSHELL,ELECTRICAL CONNECTOR TITLE COMPONENT PN 371-0421-040NL MFR BACKSHELL,ELECTRICAL C
KEY FEATURES
•
MOUNTING FACILITY TYPE AND QUANTITY: 2 UNTHREADED HOLE(S)
•
UNTHREADED MOUNTING HOLE DIAMETER: 0.131 INCHES MINIMUM AND 0.141 INCHES MAXIMUM IN
•
TEST DATA DOCUMENT: 81349-MIL-C-24308 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
•
SPECIFICATION/STANDARD DATA: 81349-MIL-C-24308/20 GOVERNMENT SPECIFICATION
•
STYLE DESIGNATOR: HOOD TYPE W/FLANGE
•
SURFACE TREATMENT: CADMIUM
•
SIZE DESIGNATION: 4
TECHNICAL CHARACTERISTICS (FLIS)
MOUNTING FACILITY TYPE AND QUANTITY2 UNTHREADED HOLE(S)
UNTHREADED MOUNTING HOLE DIAMETER0.131 INCHES MINIMUM AND 0.141 INCHES MAXIMUM IN
TEST DATA DOCUMENT81349-MIL-C-24308 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
SPECIFICATION/STANDARD DATA81349-MIL-C-24308/20 GOVERNMENT SPECIFICATION
STYLE DESIGNATORHOOD TYPE W/FLANGE
SURFACE TREATMENTCADMIUM
SIZE DESIGNATION4
OVERALL LENGTH2.703 INCHES MINIMUM AND 2.733 INCHES MAXIMUM IN
OVERALL WIDTH0.469 INCHES MINIMUM AND 0.514 INCHES MAXIMUM IN
CABLE OPENING DIAMETER0.297 INCHES MINIMUM AND 0.327 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
M24308/20-5Interchangeable
interchangeable cross-reference
interchangeable
MILC24308-20Interchangeable
interchangeable cross-reference
interchangeable
483-0295-001Interchangeable
interchangeable cross-reference
interchangeable
M24308/20-3Interchangeable
interchangeable cross-reference
interchangeable
0310378P001Interchangeable
interchangeable cross-reference
interchangeable
483-0295-003Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 371-0421-040NL?
371-0421-040NL is a BACKSHELL,ELECTRICAL CONNECTOR.
What parts can replace 371-0421-040NL?
There are 20 known substitutes for 371-0421-040NL: M24308/20-5, MILC24308-20, 483-0295-001 and 17 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 371-0421-040NL?
371-0421-040NL is cataloged in the Federal Logistics Information System (FLIS) under NSN 5935-01-037-0898. This indicates validated use in U.S. government and defense supply chains.
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Last verified: July 2026