PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

371-0421-040NLBackshell,electrical Connector

Rockwell Collins, Inc. Div Collins Aerospace - Mission Systems · NSN 5935-01-037-0898 · FSC 5935 · No Item Name Available
Verified by PartsTable
NSN 5935-01-037-0898 — this item is cataloged by the U.S. Government under National Stock Number 5935-01-037-0898. Primary manufacturer part number: 371-0421-040NL.
Features
  • Backshell,electrical Connector — FSC 5935
  • 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
Applications
  • Electrical interconnection
  • Signal interface mating
  • Quick-disconnect coupling
General Description

The Backshell,electrical Connector, cataloged under National Stock Number 5935-01-037-0898, is classified within Federal Supply Class 5935 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Rockwell Collins, Inc. Div Collins Aerospace - Mission Systems. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5935-01-037-0898
Primary Part Number371-0421-040NL
Item NameBackshell,electrical Connector
FSC / FSG5935 / 59 — No Item Name Available
ManufacturerRockwell Collins, Inc. Div Collins Aerospace - Mission Systems
StatusACTIVE
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
Cable Opening Diameter0.297 INCHES MINIMUM AND 0.327 INCHES MAXIMUM IN
Distance Between Mounting Facility Centers2.495 INCHES MINIMUM AND 2.505 INCHES MAXIMUM IN
Cable Opening Quantity1
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5935-01-028-6750 INTERCHANGEABLE
Backshell,electrical Connector
5935-01-028-6751 INTERCHANGEABLE
Backshell,electrical Connector
5935-01-051-8341 INTERCHANGEABLE
Backshell,electrical Connector
5935-01-076-5985 INTERCHANGEABLE
Backshell,electrical Connector
5935-01-078-4815 INTERCHANGEABLE
Backshell,electrical Connector
5935-01-082-4470 INTERCHANGEABLE
Backshell,electrical Connector
5935-01-087-5879 INTERCHANGEABLE
Backshell,electrical Connector
5935-01-220-2038M85049/48-1-6F INTERCHANGEABLE
Backshell,electrical Connector
Sae International Dba Sae International
5935-01-230-9705 INTERCHANGEABLE
Backshell,electrical Connector
Cross-Reference Index
Part NumberManufacturer
371-0421-040NL Rockwell Collins, Inc. Div Collins Aerospace - Mission Systems (USA)
483-0295-002 The Boeing Company Div Legacy Boeing Hb1 (USA)
M24308/20-4 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-C-24308/20 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
419377-4 Raytheon Company Dba Raytheon (USA)
Related Parts
5935-01-028-6750INTERCHANGEABLE
BACKSHELL,ELECTRICAL CONNECTOR
5935-01-028-6751INTERCHANGEABLE
BACKSHELL,ELECTRICAL CONNECTOR
5935-01-051-8341INTERCHANGEABLE
BACKSHELL,ELECTRICAL CONNECTOR
5935-01-076-5985INTERCHANGEABLE
BACKSHELL,ELECTRICAL CONNECTOR
5935-01-078-4815INTERCHANGEABLE
BACKSHELL,ELECTRICAL CONNECTOR
5935-01-082-4470INTERCHANGEABLE
BACKSHELL,ELECTRICAL CONNECTOR
5935-01-087-5879INTERCHANGEABLE
BACKSHELL,ELECTRICAL CONNECTOR
5935-01-220-2038INTERCHANGEABLE
BACKSHELL,ELECTRICAL CONNECTOR
M85049/48-1-6F
5935-01-230-9705INTERCHANGEABLE
BACKSHELL,ELECTRICAL CONNECTOR

Frequently Asked Questions

What is NSN 5935-01-037-0898?

NSN 5935-01-037-0898 is a Backshell,electrical Connector, manufactured by Rockwell Collins, Inc. Div Collins Aerospace - Mission Systems, classified under FSC 5935 (No Item Name Available). Status: active.

What are the part numbers for NSN 5935-01-037-0898?

NSN 5935-01-037-0898 has 5 cross-referenced part numbers: 371-0421-040NL (Rockwell Collins, Inc. Div Collins Aerospace - Mission Systems), 483-0295-002 (The Boeing Company Div Legacy Boeing Hb1), M24308/20-4 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-C-24308/20 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 419377-4 (Raytheon Company Dba Raytheon).

What NSN replaces 5935-01-037-0898?

There are 9 known substitutes for 5935-01-037-0898: 5935-01-028-6750, 5935-01-028-6751, 5935-01-051-8341 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 371-0421-040NL?

Key specifications for 371-0421-040NL: 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. 13 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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