PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AA55524/01-005Shunt,instrument

Federal Commercial Item Description Promulgated by General Services Administration Washington DC · NSN 6625-00-539-9638 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-539-9638 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-539-9638. Primary manufacturer part number: AA55524/01-005.
Features
  • Shunt,instrument — FSC 6625
  • Current Rating and Type: 50.0 AMPERES NOMINAL DC
  • Mounting Method: UNTHREADED HOLE(S)
  • Voltage Drop in Millivolts: 50.0 NOMINAL
  • Specification/standard Data: 58536-A-A-55524/1 GOVERNMENT SPECIFICATION
  • Terminal Type and Quantity: 2 THREADED STUD AND 2 SCREW
  • Test Data Document: 58536-A-A-55524 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.).
  • Criticality Code Justification: FEAT
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Shunt,instrument, cataloged under National Stock Number 6625-00-539-9638, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Federal Commercial Item Description Promulgated by General Services Administration Washington DC. Government technical data includes 25 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 29 commercial cross-references from 20 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6625-00-539-9638
Primary Part NumberAA55524/01-005
Item NameShunt,instrument
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerFederal Commercial Item Description Promulgated by General Services Administration Washington DC
StatusCANCELLED
Current Rating and Type50.0 AMPERES NOMINAL DC
Mounting MethodUNTHREADED HOLE(S)
Voltage Drop in Millivolts50.0 NOMINAL
Specification/standard Data58536-A-A-55524/1 GOVERNMENT SPECIFICATION
Terminal Type and Quantity2 THREADED STUD AND 2 SCREW
Test Data Document58536-A-A-55524 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.).
Criticality Code JustificationFEAT
Cubic Measure4.464 CUBIC INCHES
Nondefinitive Spec/std DataMSA500 TYPE
FSC Application DataTEST SET,ELECT. EQUIP.
Terminal LocationONE SIDE AND TOP
Furnished Items and QuantityNUT 4; LOCKWASHER 4; SCREW 2
Accuracy in Percent-0.25 TO 0.25 ALL RANGES
Center to Center Distance Between Mounting Facilities Parallel to Length0.845 INCHES MINIMUM AND 0.905 INCHES MAXIMUM IN
Usage DesignEXTERNAL
Mounting Provision Quantity2
Unthreaded Mounting Hole Diameter0.190 INCHES MINIMUM AND 0.220 INCHES MAXIMUM IN
Current Rating and Type50.0 AMPERES NOMINAL DC
Mounting MethodUNTHREADED HOLE(S)
Voltage Drop in Millivolts50.0 NOMINAL
Specification/standard Data58536-A-A-55524/1 GOVERNMENT SPECIFICATION
Terminal Type and Quantity2 THREADED STUD AND 2 SCREW
Test Data Document58536-A-A-55524 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.).
Criticality Code JustificationFEAT
Cubic Measure4.464 CUBIC INCHES
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Shelf Life Code0
Criticality CodeQ
Unit of IssueEA
SMR CodeZZ
Weight0.2000 lbs
Cube0.0054 cu ft
Verified Substitutes 12
6625-00-060-1213 INTERCHANGEABLE
Shunt,instrument
6625-00-166-1002 INTERCHANGEABLE
Shunt,instrument
6625-00-166-1005 INTERCHANGEABLE
Shunt,instrument
6625-00-166-1013 INTERCHANGEABLE
Shunt,instrument
6625-00-197-2365 INTERCHANGEABLE
Shunt,instrument
2910-00-451-3624148254 INTERCHANGEABLE
Plate,adapter,governor
Cummins Inc.
6625-00-539-9637 INTERCHANGEABLE
Shunt,instrument
6625-00-540-8826 INTERCHANGEABLE
Shunt,instrument
6625-00-542-0606 INTERCHANGEABLE
Shunt,instrument
6625-00-555-2254 INTERCHANGEABLE
Shunt,instrument
Cross-Reference Index
Part NumberManufacturer
AA55524/01-005 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
MLA-50-50 Empro Manufacturing Co Inc Dba Empro Shunts (USA)
GSN1024685A1AA Lockheed Martin Corporation Div Rotary and Mission Systems (USA)
65200-196 Dynalec Corporation (USA)
AN3200-50 Joint Electronics Type Designation System (USA)
0744-5004 Jaidinger Manufacturing Co Inc Dba Jaidinger Manufacturing Co Inc (USA)
AN3200-50 Aeronautical Standards Group Dept of Navy and Air Force (USA)
247AS-C2278-003 Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA)
MSA500 Empro Manufacturing Co Inc Dba Empro Shunts (USA)
781MS91586-2 Square D Co Electromagnetic Industries Div (USA)
MILS61BMSA500 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
A-A-55524/1 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
MSA-500 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
723928-1 Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
MIL-S-61 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
3200-50 Joint Electronics Type Designation System (USA)
AA55524/1-005 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
0744-5004 American Instrument Corp (USA)
5013388-002 Thales Uk Limited Dba Thales Uk Ltd Training and Simulation (GBR)
MLA-50-50 Metermaster Inc (USA)
Related Parts
6625-00-060-1213INTERCHANGEABLE
SHUNT,INSTRUMENT
6625-00-166-1002INTERCHANGEABLE
SHUNT,INSTRUMENT
6625-00-166-1005INTERCHANGEABLE
SHUNT,INSTRUMENT
6625-00-166-1013INTERCHANGEABLE
SHUNT,INSTRUMENT
6625-00-197-2365INTERCHANGEABLE
SHUNT,INSTRUMENT
2910-00-451-3624INTERCHANGEABLE
PLATE,ADAPTER,GOVERNOR
148254
6625-00-539-9637INTERCHANGEABLE
SHUNT,INSTRUMENT
6625-00-540-8826INTERCHANGEABLE
SHUNT,INSTRUMENT
6625-00-542-0606INTERCHANGEABLE
SHUNT,INSTRUMENT
6625-00-555-2254INTERCHANGEABLE
SHUNT,INSTRUMENT
6625-00-555-2256INTERCHANGEABLE
SHUNT,INSTRUMENT
6625-00-557-0913INTERCHANGEABLE
SHUNT,INSTRUMENT

Frequently Asked Questions

What is NSN 6625-00-539-9638?

NSN 6625-00-539-9638 is a Shunt,instrument, manufactured by Federal Commercial Item Description Promulgated by General Services Administration Washington DC, classified under FSC 6625 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6625-00-539-9638?

NSN 6625-00-539-9638 has 29 cross-referenced part numbers: AA55524/01-005 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), MLA-50-50 (Empro Manufacturing Co Inc Dba Empro Shunts), GSN1024685A1AA (Lockheed Martin Corporation Div Rotary and Mission Systems), 65200-196 (Dynalec Corporation), AN3200-50 (Joint Electronics Type Designation System) and 24 more.

What NSN replaces 6625-00-539-9638?

There are 12 known substitutes for 6625-00-539-9638: 6625-00-060-1213, 6625-00-166-1002, 6625-00-166-1005 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AA55524/01-005?

Key specifications for AA55524/01-005: Overall Width: 1.220 INCHES MINIMUM AND 1.280 INCHES MAXIMUM IN; Current Rating and Type: 50.0 AMPERES NOMINAL DC; Mounting Method: UNTHREADED HOLE(S); Voltage Drop in Millivolts: 50.0 NOMINAL. 30 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6625-00-539-9638 still in active supply?

NSN 6625-00-539-9638 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.
PartsTable Design LLC · partstable.com