PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MSA151Shunt,instrument

Empro Manufacturing Co Inc Dba Empro Shunts · NSN 6625-00-166-1002 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-166-1002 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-166-1002. Primary manufacturer part number: MSA151.
Features
  • Shunt,instrument — FSC 6625
  • Voltage Drop in Millivolts: 50.0 NOMINAL
  • Terminal Location: ONE SIDE AND TOP
  • Terminal Type and Quantity: 2 SCREW AND 2 SOLDER STUD
  • 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.).
  • Mounting Method: UNTHREADED HOLE(S)
  • Specification/standard Data: 58536-A-A-55524/1 GOVERNMENT SPECIFICATION
  • Current Rating and Type: 150.0 AMPERES NOMINAL DC
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Shunt,instrument, cataloged under National Stock Number 6625-00-166-1002, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Empro Manufacturing Co Inc Dba Empro Shunts. Government technical data includes 22 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 19 commercial cross-references from 14 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
NSN6625-00-166-1002
Primary Part NumberMSA151
Item NameShunt,instrument
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerEmpro Manufacturing Co Inc Dba Empro Shunts
StatusCANCELLED
Voltage Drop in Millivolts50.0 NOMINAL
Terminal LocationONE SIDE AND TOP
Terminal Type and Quantity2 SCREW AND 2 SOLDER STUD
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.).
Mounting MethodUNTHREADED HOLE(S)
Specification/standard Data58536-A-A-55524/1 GOVERNMENT SPECIFICATION
Current Rating and Type150.0 AMPERES NOMINAL DC
Usage DesignEXTERNAL
Center to Center Distance Between Mounting Facilities Parallel to Length0.875 INCHES NOMINAL IN
Unthreaded Mounting Hole Diameter0.205 INCHES NOMINAL IN
Mounting Provision Quantity2
Voltage Drop in Millivolts50.0 NOMINAL
Terminal LocationONE SIDE AND TOP
Terminal Type and Quantity2 SCREW AND 2 SOLDER STUD
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.).
Mounting MethodUNTHREADED HOLE(S)
Specification/standard Data58536-A-A-55524/1 GOVERNMENT SPECIFICATION
Current Rating and Type150.0 AMPERES NOMINAL DC
Usage DesignEXTERNAL
Center to Center Distance Between Mounting Facilities Parallel to Length0.875 INCHES NOMINAL IN
Unthreaded Mounting Hole Diameter0.205 INCHES NOMINAL IN
Mounting Provision Quantity2
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Shelf Life Code0
Criticality CodeQ
Unit of IssueEA
SMR CodeDZ
Weight0.1200 lbs
Cube0.0123 cu ft
Verified Substitutes 12
6625-00-060-1213 INTERCHANGEABLE
Shunt,instrument
6625-00-166-1005 INTERCHANGEABLE
Shunt,instrument
6625-00-166-1013 INTERCHANGEABLE
Shunt,instrument
6625-00-197-2365 INTERCHANGEABLE
Shunt,instrument
4820-00-302-199710245 INTERCHANGEABLE
Disk,valve
Rps-Fl, Inc. Dba Rps Inc
5820-00-312-0809 INTERCHANGEABLE
Cap,crank Socket
4510-00-402-0885 INTERCHANGEABLE
Handle,faucet
9540-00-414-3782LS4953 INTERCHANGEABLE
Channel,structural
Lockheed Martin Corp
5935-00-463-8071AD1 INTERCHANGEABLE
Adapter,connector
Trompeter Electronics, Inc.
6625-00-539-9637 INTERCHANGEABLE
Shunt,instrument
Cross-Reference Index
Part NumberManufacturer
MSA151 Empro Manufacturing Co Inc Dba Empro Shunts (USA)
148259 Solartron Electronics Inc Weston Instruments Div (USA)
AN3200-150 Aeronautical Standards Group Dept of Navy and Air Force (USA)
MSA151 Square D Co Electromagnetic Industries Div (USA)
A-A-55524/1 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
MIL-S-61 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MILS61B-MSA151 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
A-A-55524 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
AA55524/01-010 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
6625001661002 E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales
6B2396 Westinghouse Electric Corp (USA)
MS91586-7 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
AA55524/1-010 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
AN3200-150 Ideal Precision Meter Co Dba Ideal Precision Meter Co (USA)
MSA151-150A50MV Ram Meter Inc (USA)
A115023 Fifty Avenue L Inc (USA)
MSA151 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
10245 Kurz & Root Generator Company, Llc (USA)
3000-831 Lfe Instruments a Mark IV Co (USA)
Related Parts
6625-00-060-1213INTERCHANGEABLE
SHUNT,INSTRUMENT
6625-00-166-1005INTERCHANGEABLE
SHUNT,INSTRUMENT
6625-00-166-1013INTERCHANGEABLE
SHUNT,INSTRUMENT
6625-00-197-2365INTERCHANGEABLE
SHUNT,INSTRUMENT
4820-00-302-1997INTERCHANGEABLE
DISK,VALVE
10245
5820-00-312-0809INTERCHANGEABLE
CAP,CRANK SOCKET
4510-00-402-0885INTERCHANGEABLE
HANDLE,FAUCET
9540-00-414-3782INTERCHANGEABLE
CHANNEL,STRUCTURAL
LS4953
5935-00-463-8071INTERCHANGEABLE
ADAPTER,CONNECTOR
AD1
6625-00-539-9637INTERCHANGEABLE
SHUNT,INSTRUMENT
6625-00-539-9638INTERCHANGEABLE
SHUNT,INSTRUMENT
6625-00-540-8826INTERCHANGEABLE
SHUNT,INSTRUMENT

Frequently Asked Questions

What is NSN 6625-00-166-1002?

NSN 6625-00-166-1002 is a Shunt,instrument, manufactured by Empro Manufacturing Co Inc Dba Empro Shunts, classified under FSC 6625 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6625-00-166-1002?

NSN 6625-00-166-1002 has 19 cross-referenced part numbers: MSA151 (Empro Manufacturing Co Inc Dba Empro Shunts), 148259 (Solartron Electronics Inc Weston Instruments Div), AN3200-150 (Aeronautical Standards Group Dept of Navy and Air Force), MSA151 (Square D Co Electromagnetic Industries Div), A-A-55524/1 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC) and 14 more.

What NSN replaces 6625-00-166-1002?

There are 12 known substitutes for 6625-00-166-1002: 6625-00-060-1213, 6625-00-166-1005, 6625-00-166-1013 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MSA151?

Key specifications for MSA151: Overall Height: 1.688 INCHES NOMINAL IN; Voltage Drop in Millivolts: 50.0 NOMINAL; Terminal Location: ONE SIDE AND TOP; Terminal Type and Quantity: 2 SCREW AND 2 SOLDER STUD. 28 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6625-00-166-1002 still in active supply?

NSN 6625-00-166-1002 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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