PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

M24308/21-3Backshell,electrical Connector

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5935-00-603-6717 · FSC 5935 · No Item Name Available
Verified by PartsTable
NSN 5935-00-603-6717 — this item is cataloged by the U.S. Government under National Stock Number 5935-00-603-6717. Primary manufacturer part number: M24308/21-3.
Features
  • Backshell,electrical Connector — FSC 5935
  • Surface Treatment: CADMIUM
  • Mounting Facility Type and Quantity: 2 UNTHREADED HOLE(S)
  • Body Width: 0.485 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN
  • Cable Opening Diameter: 0.593 INCHES MAXIMUM IN
  • Material: STEEL
  • Test Data Document: 81349-MILC24308 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.).
  • Unthreaded Mounting Hole Diameter: 0.115 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN
Applications
  • Electrical interconnection
  • Signal interface mating
  • Quick-disconnect coupling
  • Applications requiring Steel construction
General Description

The Backshell,electrical Connector, cataloged under National Stock Number 5935-00-603-6717, 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 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5935-00-603-6717
Primary Part NumberM24308/21-3
Item NameBackshell,electrical Connector
FSC / FSG5935 / 59 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
Surface TreatmentCADMIUM
Mounting Facility Type and Quantity2 UNTHREADED HOLE(S)
Body Width0.485 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN
Cable Opening Diameter0.593 INCHES MAXIMUM IN
MaterialSTEEL
Test Data Document81349-MILC24308 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.).
Unthreaded Mounting Hole Diameter0.115 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN
Distance Between Mounting Facility Centers1.847 INCHES MINIMUM AND 1.857 INCHES MAXIMUM IN
Size Designation3
Cable Opening Quantity1
Style DesignatorHOOD TYPE W/ROUND CLAMP AND FLANGE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5935-00-397-9128 INTERCHANGEABLE
Backshell,electrical Connector
5935-00-478-3379 INTERCHANGEABLE
Connector,receptacle,electrical
5935-00-576-9454 INTERCHANGEABLE
Backshell,electrical Connector
5935-01-006-7901 INTERCHANGEABLE
Backshell,electrical Connector
5935-01-016-1216 INTERCHANGEABLE
Backshell,electrical Connector
5935-01-054-7471 INTERCHANGEABLE
Backshell,electrical Connector
5935-01-057-8357 INTERCHANGEABLE
Backshell,electrical Connector
5935-01-058-0905 INTERCHANGEABLE
Backshell,electrical Connector
5935-01-075-9094 INTERCHANGEABLE
Backshell,electrical Connector
5935-01-223-6432M85049/48-2-3C INTERCHANGEABLE
Backshell,electrical Connector
Sae International Dba Sae International
Cross-Reference Index
Part NumberManufacturer
M24308/21-3 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
371-0185-000 Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
MILC24308-21 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
8630-12 Souriau Inc (USA)
Related Parts
5935-00-397-9128INTERCHANGEABLE
BACKSHELL,ELECTRICAL CONNECTOR
5935-00-478-3379INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
5935-00-576-9454INTERCHANGEABLE
BACKSHELL,ELECTRICAL CONNECTOR
5935-01-006-7901INTERCHANGEABLE
BACKSHELL,ELECTRICAL CONNECTOR
5935-01-016-1216INTERCHANGEABLE
BACKSHELL,ELECTRICAL CONNECTOR
5935-01-054-7471INTERCHANGEABLE
BACKSHELL,ELECTRICAL CONNECTOR
5935-01-057-8357INTERCHANGEABLE
BACKSHELL,ELECTRICAL CONNECTOR
5935-01-058-0905INTERCHANGEABLE
BACKSHELL,ELECTRICAL CONNECTOR
5935-01-075-9094INTERCHANGEABLE
BACKSHELL,ELECTRICAL CONNECTOR
5935-01-223-6432INTERCHANGEABLE
BACKSHELL,ELECTRICAL CONNECTOR
M85049/48-2-3C
5935-01-232-4766INTERCHANGEABLE
BACKSHELL,ELECTRICAL CONNECTOR
M85049/48-2-7F
5935-01-233-0778INTERCHANGEABLE
BACKSHELL,ELECTRICAL CONNECTOR

Frequently Asked Questions

What is NSN 5935-00-603-6717?

NSN 5935-00-603-6717 is a Backshell,electrical Connector, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5935 (No Item Name Available). Status: active.

What are the part numbers for NSN 5935-00-603-6717?

NSN 5935-00-603-6717 has 4 cross-referenced part numbers: M24308/21-3 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 371-0185-000 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems), MILC24308-21 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 8630-12 (Souriau Inc).

What NSN replaces 5935-00-603-6717?

There are 12 known substitutes for 5935-00-603-6717: 5935-00-397-9128, 5935-00-478-3379, 5935-00-576-9454 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of M24308/21-3?

Key specifications for M24308/21-3: Surface Treatment: CADMIUM; Mounting Facility Type and Quantity: 2 UNTHREADED HOLE(S); Body Width: 0.485 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN; Cable Opening Diameter: 0.593 INCHES MAXIMUM IN. 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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