PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-C-7974Wiring Harness

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 6150-00-400-5078 · FSC 6150 · No Item Name Available
Verified by PartsTable
NSN 6150-00-400-5078 — this item is cataloged by the U.S. Government under National Stock Number 6150-00-400-5078. Primary manufacturer part number: MIL-C-7974.
Features
  • Wiring Harness — FSC 6150
  • Material: RUBBER FIRST POSITION PRIMARY INSULATION SINGLE CONDUCTOR
  • Round Conductor Size: 2 AWG SINGLE CONDUCTOR
  • Material: COPPER CORE CONDUCTOR SINGLE CONDUCTOR
  • Binding Method: INSULATION TAPE AND CRES LOCKING BANDS
  • Conductor Quantity: 2
  • Termination Type: CONNECTOR PLUG FIRST END FIRST CONDUCTOR
  • Termination Type: CONNECTOR PLUG SECOND END FIRST CONDUCTOR
Applications
  • Applications requiring Rubber First Position Primary Insulation Single Conductor construction
General Description

The Wiring Harness, cataloged under National Stock Number 6150-00-400-5078, is classified within Federal Supply Class 6150 (No Item Name Available) of the Electric Wire, Power, and Distribution Equipment 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 8 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6150-00-400-5078
Primary Part NumberMIL-C-7974
Item NameWiring Harness
FSC / FSG6150 / 61 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusCANCELLED
MaterialRUBBER FIRST POSITION PRIMARY INSULATION SINGLE CONDUCTOR
Round Conductor Size2 AWG SINGLE CONDUCTOR
MaterialCOPPER CORE CONDUCTOR SINGLE CONDUCTOR
Binding MethodINSULATION TAPE AND CRES LOCKING BANDS
Conductor Quantity2
Termination TypeCONNECTOR PLUG FIRST END FIRST CONDUCTOR
Termination TypeCONNECTOR PLUG SECOND END FIRST CONDUCTOR
Cable Assembly Overall Length60.000 FEET NOMINAL FT
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 7
5940-00-050-6213C77 INTERCHANGEABLE
Terminal,lug
Abb Installation Products Inc
2530-00-161-1383 INTERCHANGEABLE
Ring,side,automotive Wheel
3455-00-254-846213520 INTERCHANGEABLE
Cutter,milling,convex
Niagara Cutter Inc
3040-00-528-0775 INTERCHANGEABLE
Ball Joint
5835-01-055-0447C-108 INTERCHANGEABLE
Recorder-Reproducer,sound
Marantz Co Inc
5985-01-370-5824C-108 INTERCHANGEABLE
Antenna Group
Contel Asc
5940-01-503-9831C10-8 INTERCHANGEABLE
Terminal,lug
Abb Installation Products Inc
Cross-Reference Index
Part NumberManufacturer
MIL-C-7974 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
C108 Joy Global Underground Mining Llc (USA)
MS24121 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
MS24121-1 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5940-00-050-6213INTERCHANGEABLE
TERMINAL,LUG
C77
2530-00-161-1383INTERCHANGEABLE
RING,SIDE,AUTOMOTIVE WHEEL
3455-00-254-8462INTERCHANGEABLE
CUTTER,MILLING,CONVEX
13520
3040-00-528-0775INTERCHANGEABLE
BALL JOINT
5835-01-055-0447INTERCHANGEABLE
RECORDER-REPRODUCER,SOUND
C-108
5985-01-370-5824INTERCHANGEABLE
ANTENNA GROUP
C-108
5940-01-503-9831INTERCHANGEABLE
TERMINAL,LUG
C10-8

Frequently Asked Questions

What is NSN 6150-00-400-5078?

NSN 6150-00-400-5078 is a Wiring Harness, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 6150 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6150-00-400-5078?

NSN 6150-00-400-5078 has 4 cross-referenced part numbers: MIL-C-7974 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), C108 (Joy Global Underground Mining Llc), MS24121 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), MS24121-1 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 6150-00-400-5078?

There are 7 known substitutes for 6150-00-400-5078: 5940-00-050-6213, 2530-00-161-1383, 3455-00-254-8462 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-C-7974?

Key specifications for MIL-C-7974: Material: RUBBER FIRST POSITION PRIMARY INSULATION SINGLE CONDUCTOR; Round Conductor Size: 2 AWG SINGLE CONDUCTOR; Material: COPPER CORE CONDUCTOR SINGLE CONDUCTOR; Binding Method: INSULATION TAPE AND CRES LOCKING BANDS. 8 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6150-00-400-5078 still in active supply?

NSN 6150-00-400-5078 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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