PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-S-61Shunt,instrument

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 6625-00-555-2254 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-555-2254 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-555-2254. Primary manufacturer part number: MIL-S-61.
Features
  • Shunt,instrument — FSC 6625
  • Mounting Provision Quantity: 2
  • Center to Center Distance Between Mounting Facilities Parallel to Width: 1.250 INCHES NOMINAL IN
  • Usage Design: EXTERNAL
  • Cubic Measure: 7.963 CUBIC INCHES
  • Current Rating and Type: 450.0 AMPERES NOMINAL DC
  • 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)
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Shunt,instrument, cataloged under National Stock Number 6625-00-555-2254, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory 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 27 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 14 commercial cross-references from 11 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
NSN6625-00-555-2254
Primary Part NumberMIL-S-61
Item NameShunt,instrument
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusCANCELLED
Mounting Provision Quantity2
Center to Center Distance Between Mounting Facilities Parallel to Width1.250 INCHES NOMINAL IN
Usage DesignEXTERNAL
Cubic Measure7.963 CUBIC INCHES
Current Rating and Type450.0 AMPERES NOMINAL DC
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)
Terminal Type and Quantity4 SCREW
Voltage Drop in Millivolts50.0 NOMINAL
FSC Application DataELECTRICAL,ELECTRONIC PROPERTIES MEASURING AND TEST INSTRUMENTS
Special Markings50 MV,450 AMP
Specification/standard Data58536-A-A-55524/2 GOVERNMENT SPECIFICATION
Terminal LocationEND
Unthreaded Mounting Hole Diameter0.205 INCHES NOMINAL IN
Reliability IndicatorNOT ESTABLISHED
Furnished Items and QuantityPLAIN WASHER 4; BRASS WASHER 2
Mounting Provision Quantity2
Center to Center Distance Between Mounting Facilities Parallel to Width1.250 INCHES NOMINAL IN
Usage DesignEXTERNAL
Cubic Measure7.963 CUBIC INCHES
Current Rating and Type450.0 AMPERES NOMINAL DC
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)
Terminal Type and Quantity4 SCREW
Voltage Drop in Millivolts50.0 NOMINAL
FSC Application DataELECTRICAL,ELECTRONIC PROPERTIES MEASURING AND TEST INSTRUMENTS
Special Markings50 MV,450 AMP
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Shelf Life Code0
Criticality CodeQ
Unit of IssueEA
SMR CodeZN
Weight0.7734 lbs
Cube0.0095 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
6625-00-539-9638 INTERCHANGEABLE
Shunt,instrument
6625-00-540-8826 INTERCHANGEABLE
Shunt,instrument
6625-00-555-2256 INTERCHANGEABLE
Shunt,instrument
6625-00-557-0913 INTERCHANGEABLE
Shunt,instrument
6625-00-684-8095 INTERCHANGEABLE
Shunt,instrument
6625-00-720-2854 INTERCHANGEABLE
Shunt,instrument
Cross-Reference Index
Part NumberManufacturer
MIL-S-61 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
283A407 General Electric Company (USA)
AA55524/2-006 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
136403109 Eaton Corporation (USA)
148265 Solartron Electronics Inc Weston Instruments Div (USA)
6413659 Embraer Aviation International (FRA)
AN3200-450 Aeronautical Standards Group Dept of Navy and Air Force (USA)
A-A-55524/2 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
MSB451 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
6413659 Embraer S.a. (BRA)
118362 Solartron Electronics Inc Weston Instruments Div (USA)
6413659 Embraer Empresa Brasileira De Aeronautica Sa (BRA)
MLB-450-50 Empro Manufacturing Co Inc Dba Empro Shunts (USA)
MS91587-6 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
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
6625-00-539-9638INTERCHANGEABLE
SHUNT,INSTRUMENT
6625-00-540-8826INTERCHANGEABLE
SHUNT,INSTRUMENT
6625-00-555-2256INTERCHANGEABLE
SHUNT,INSTRUMENT
6625-00-557-0913INTERCHANGEABLE
SHUNT,INSTRUMENT
6625-00-684-8095INTERCHANGEABLE
SHUNT,INSTRUMENT
6625-00-720-2854INTERCHANGEABLE
SHUNT,INSTRUMENT
6625-00-818-3909INTERCHANGEABLE
SHUNT,INSTRUMENT
6625-00-834-8954INTERCHANGEABLE
SHUNT,INSTRUMENT

Frequently Asked Questions

What is NSN 6625-00-555-2254?

NSN 6625-00-555-2254 is a Shunt,instrument, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 6625 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6625-00-555-2254?

NSN 6625-00-555-2254 has 14 cross-referenced part numbers: MIL-S-61 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 283A407 (General Electric Company), AA55524/2-006 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), 136403109 (Eaton Corporation), 148265 (Solartron Electronics Inc Weston Instruments Div) and 9 more.

What NSN replaces 6625-00-555-2254?

There are 12 known substitutes for 6625-00-555-2254: 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 MIL-S-61?

Key specifications for MIL-S-61: Mounting Provision Quantity: 2; Center to Center Distance Between Mounting Facilities Parallel to Width: 1.250 INCHES NOMINAL IN; Usage Design: EXTERNAL; Cubic Measure: 7.963 CUBIC INCHES. 30 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6625-00-555-2254 still in active supply?

NSN 6625-00-555-2254 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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