PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-B-81757Bus,conductor

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 6150-00-125-6955 · FSC 6150 · No Item Name Available
Verified by PartsTable
NSN 6150-00-125-6955 — this item is cataloged by the U.S. Government under National Stock Number 6150-00-125-6955. Primary manufacturer part number: MIL-B-81757.
Features
  • Bus,conductor — FSC 6150
  • Mounting Configuration: TWO 0.178 IN. DIA HOLES 1.080 IN. C TO C IN
  • Cross-Sectional Width: 0.500 INCHES NOMINAL IN
  • Material: COPPER
  • Material Document and Classification: QQ-C-502 FED SPEC SINGLE MATERIAL RESPONSE
  • Body Cross-Sectional Shape: RECTANGULAR W/EDGE RADIUS
  • Construction: SOLID
  • Cross-Sectional Height: 0.062 INCHES NOMINAL IN
Applications
  • Applications requiring Copper construction
General Description

The Bus,conductor, cataloged under National Stock Number 6150-00-125-6955, 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 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 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
NSN6150-00-125-6955
Primary Part NumberMIL-B-81757
Item NameBus,conductor
FSC / FSG6150 / 61 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
Mounting ConfigurationTWO 0.178 IN. DIA HOLES 1.080 IN. C TO C IN
Cross-Sectional Width0.500 INCHES NOMINAL IN
MaterialCOPPER
Material Document and ClassificationQQ-C-502 FED SPEC SINGLE MATERIAL RESPONSE
Body Cross-Sectional ShapeRECTANGULAR W/EDGE RADIUS
ConstructionSOLID
Cross-Sectional Height0.062 INCHES NOMINAL IN
Surface Treatment Document and ClassificationQQ-N-290, CLASS 1, TYPE 5 FED SPEC SINGLE TREATMENT RESPONSE
Surface TreatmentNICKEL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6150-00-168-1293 INTERCHANGEABLE
Bus,conductor
6140-00-283-1302VNC22 INTERCHANGEABLE
Battery,storage
Mobile Energy Products, Inc. Dba Electro Energy
6150-00-373-3550MS90328-14A INTERCHANGEABLE
Cable Assembly,power,electrical
Sae International Dba Sae International
6160-00-676-3376 INTERCHANGEABLE
Filler Cap,battery
6140-01-055-5031 INTERCHANGEABLE
Battery,storage
6140-01-099-0252 INTERCHANGEABLE
Battery Assembly
6140-01-104-9581 INTERCHANGEABLE
Battery Assembly
6140-01-110-3855 INTERCHANGEABLE
Battery Assembly
6140-01-131-9696 INTERCHANGEABLE
Battery,storage
6140-01-200-1000 INTERCHANGEABLE
Battery Assembly
Cross-Reference Index
Part NumberManufacturer
MIL-B-81757 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-B-26220 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MS27309-5 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
6150-00-168-1293INTERCHANGEABLE
BUS,CONDUCTOR
6140-00-283-1302INTERCHANGEABLE
BATTERY,STORAGE
VNC22
6150-00-373-3550INTERCHANGEABLE
CABLE ASSEMBLY,POWER,ELECTRICAL
MS90328-14A
6160-00-676-3376INTERCHANGEABLE
FILLER CAP,BATTERY
6140-01-055-5031INTERCHANGEABLE
BATTERY,STORAGE
6140-01-099-0252INTERCHANGEABLE
BATTERY ASSEMBLY
6140-01-104-9581INTERCHANGEABLE
BATTERY ASSEMBLY
6140-01-110-3855INTERCHANGEABLE
BATTERY ASSEMBLY
6140-01-131-9696INTERCHANGEABLE
BATTERY,STORAGE
6140-01-200-1000INTERCHANGEABLE
BATTERY ASSEMBLY
6140-01-238-4932INTERCHANGEABLE
BATTERY ASSEMBLY
6140-01-266-1633INTERCHANGEABLE
BATTERY,STORAGE

Frequently Asked Questions

What is NSN 6150-00-125-6955?

NSN 6150-00-125-6955 is a Bus,conductor, 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: active.

What are the part numbers for NSN 6150-00-125-6955?

NSN 6150-00-125-6955 has 3 cross-referenced part numbers: MIL-B-81757 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-B-26220 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MS27309-5 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 6150-00-125-6955?

There are 12 known substitutes for 6150-00-125-6955: 6150-00-168-1293, 6140-00-283-1302, 6150-00-373-3550 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-B-81757?

Key specifications for MIL-B-81757: Mounting Configuration: TWO 0.178 IN. DIA HOLES 1.080 IN. C TO C IN; Cross-Sectional Width: 0.500 INCHES NOMINAL IN; Material: COPPER; Material Document and Classification: QQ-C-502 FED SPEC SINGLE MATERIAL RESPONSE. 10 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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