PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

BA-403/UBattery,nonrechargeable

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 6135-00-125-5255 · FSC 6135 · No Item Name Available
Verified by PartsTable
NSN 6135-00-125-5255 — this item is cataloged by the U.S. Government under National Stock Number 6135-00-125-5255. Primary manufacturer part number: BA-403/U.
Features
  • Battery,nonrechargeable — FSC 6135
  • Voltage in Volts: 1.5
  • Dummy Terminal Quantity: 6
  • Contact Quantity: 2
  • Terminal Type: SOCKET TOP
  • Nondefinitive Spec/std Data: NO. BA-403/U TYPE
  • Terminal Quantity: 1
  • 7 verified cross-references
Applications
  • Electrical power distribution
  • Generator and power systems
  • Industrial motor installations
General Description

The Battery,nonrechargeable, cataloged under National Stock Number 6135-00-125-5255, is classified within Federal Supply Class 6135 (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 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 5 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
NSN6135-00-125-5255
Primary Part NumberBA-403/U
Item NameBattery,nonrechargeable
FSC / FSG6135 / 61 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
Voltage in Volts1.5
Dummy Terminal Quantity6
Contact Quantity2
Terminal TypeSOCKET TOP
Nondefinitive Spec/std DataNO. BA-403/U TYPE
Terminal Quantity1
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5960-00-106-0545 INTERCHANGEABLE
Electron Tube
5975-00-153-6775 INTERCHANGEABLE
Cover,junction Box
5310-00-250-99258403 INTERCHANGEABLE
Nut,plain,hexagon
Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron
2530-00-450-9276 INTERCHANGEABLE
Brake Shoe
5960-00-899-9353910596 INTERCHANGEABLE
Electron Tube
Bae Systems Information and Electronic Systems Integration Inc.
6145-01-007-715500798-038 INTERCHANGEABLE
Cable,special Purpose,electrical
Curtiss-Wright Flow Control Service, Llc Dba Engineered Arresting Systems - Esco Div Cw Flow Control Svc Llc Dba
6150-01-216-78588403 INTERCHANGEABLE
Cable Assembly,power,electrical
Carlisle & Finch Co
7510-01-251-37417000123422 INTERCHANGEABLE
Tape,pressure Sensitive Adhesive
3m Company
5930-01-264-83278403 INTERCHANGEABLE
Switch,pressure
Hydra-Electric Company Dba Hydra-Electric Co
5985-01-385-5576AA03 INTERCHANGEABLE
Antenna
Electronic Systems Technology Inc. Dba Esteem Wireless Modems
Cross-Reference Index
Part NumberManufacturer
BA-403/U Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
JANB18 Joint Army-Navy Specifications Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
MIL-B-18/81 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
BA403U Baainbw Verteidigungsgerate-Normen (vg) (DEU)
BA403U Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
8403 Varta Consumer Batteries Gmbh & Co Kgaa (DEU)
BA403U Joint Army-Navy Specifications Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5960-00-106-0545INTERCHANGEABLE
ELECTRON TUBE
5975-00-153-6775INTERCHANGEABLE
COVER,JUNCTION BOX
5310-00-250-9925INTERCHANGEABLE
NUT,PLAIN,HEXAGON
8403
2530-00-450-9276INTERCHANGEABLE
BRAKE SHOE
5960-00-899-9353INTERCHANGEABLE
ELECTRON TUBE
910596
6145-01-007-7155INTERCHANGEABLE
CABLE,SPECIAL PURPOSE,ELECTRICAL
00798-038
6150-01-216-7858INTERCHANGEABLE
CABLE ASSEMBLY,POWER,ELECTRICAL
8403
7510-01-251-3741INTERCHANGEABLE
TAPE,PRESSURE SENSITIVE ADHESIVE
7000123422
5930-01-264-8327INTERCHANGEABLE
SWITCH,PRESSURE
8403
5985-01-385-5576INTERCHANGEABLE
ANTENNA
AA03
6750-01-396-4217INTERCHANGEABLE
TAPE,SPLICING,PHOTOGRAPHIC
5360-01-494-0939INTERCHANGEABLE
SPRING,HELICAL,TORSION

Frequently Asked Questions

What is NSN 6135-00-125-5255?

NSN 6135-00-125-5255 is a Battery,nonrechargeable, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 6135 (No Item Name Available). Status: active.

What are the part numbers for NSN 6135-00-125-5255?

NSN 6135-00-125-5255 has 7 cross-referenced part numbers: BA-403/U (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), JANB18 (Joint Army-Navy Specifications Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), MIL-B-18/81 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), BA403U (Baainbw Verteidigungsgerate-Normen (vg)), BA403U (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir) and 2 more.

What NSN replaces 6135-00-125-5255?

There are 12 known substitutes for 6135-00-125-5255: 5960-00-106-0545, 5975-00-153-6775, 5310-00-250-9925 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of BA-403/U?

Key specifications for BA-403/U: Voltage in Volts: 1.5; Dummy Terminal Quantity: 6; Overall Length: 3.937 INCHES NOMINAL IN; Overall Height: 4.500 INCHES NOMINAL IN. 9 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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