PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS91587-1Shunt,instrument

Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M · NSN 6625-01-322-1935 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-01-322-1935 — this item is cataloged by the U.S. Government under National Stock Number 6625-01-322-1935. Primary manufacturer part number: MS91587-1.
Features
  • Shunt,instrument — FSC 6625
  • Center to Center Distance Between Mounting Facilities Parallel to Width: 1.250 INCHES NOMINAL IN
  • Mounting Provision Quantity: 2
  • Unthreaded Mounting Hole Diameter: 0.205 INCHES NOMINAL IN
  • Accuracy in Percent: -0.6 TO 0.6 AT FULL SCALE
  • Usage Design: EXTERNAL
  • Current Rating and Type: 170.0 AMPERES NOMINAL AC
  • Terminal Type and Quantity: 2 SCREW
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Shunt,instrument, cataloged under National Stock Number 6625-01-322-1935, 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 Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 22 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6625-01-322-1935
Primary Part NumberMS91587-1
Item NameShunt,instrument
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerMilitary Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
Center to Center Distance Between Mounting Facilities Parallel to Width1.250 INCHES NOMINAL IN
Mounting Provision Quantity2
Unthreaded Mounting Hole Diameter0.205 INCHES NOMINAL IN
Accuracy in Percent-0.6 TO 0.6 AT FULL SCALE
Usage DesignEXTERNAL
Current Rating and Type170.0 AMPERES NOMINAL AC
Terminal Type and Quantity2 SCREW
Mounting MethodUNTHREADED HOLE(S)
Test Data DocumentIEEE316 STANDARD (INCLUDES INDUSTRY OR ASSOCIATION STANDARDS, INDIVIDUAL MANUFACTUREER STANDARDS, ETC.).
Terminal LocationONE SIDE
Voltage Drop in Millivolts50.0 NOMINAL
Center to Center Distance Between Mounting Facilities Parallel to Width1.250 INCHES NOMINAL IN
Mounting Provision Quantity2
Unthreaded Mounting Hole Diameter0.205 INCHES NOMINAL IN
Accuracy in Percent-0.6 TO 0.6 AT FULL SCALE
Usage DesignEXTERNAL
Current Rating and Type170.0 AMPERES NOMINAL AC
Terminal Type and Quantity2 SCREW
Mounting MethodUNTHREADED HOLE(S)
Test Data DocumentIEEE316 STANDARD (INCLUDES INDUSTRY OR ASSOCIATION STANDARDS, INDIVIDUAL MANUFACTUREER STANDARDS, ETC.).
Terminal LocationONE SIDE
Voltage Drop in Millivolts50.0 NOMINAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Criticality CodeQ
Unit of IssueEA
SMR CodeZ
Weight0.7100 lbs
Cube0.0347 cu ft
Verified Substitutes 7
6625-00-166-1005 INTERCHANGEABLE
Shunt,instrument
6625-00-166-1013 INTERCHANGEABLE
Shunt,instrument
6625-00-555-2254 INTERCHANGEABLE
Shunt,instrument
6625-00-555-2256 INTERCHANGEABLE
Shunt,instrument
6625-00-720-2854 INTERCHANGEABLE
Shunt,instrument
6625-00-818-3909 INTERCHANGEABLE
Shunt,instrument
6625-01-086-0760 INTERCHANGEABLE
Shunt,instrument
Cross-Reference Index
Part NumberManufacturer
MS91587-1 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
AN3200-170 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
A-A-55524A Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
AA55524/2-001 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
A-A-55524/2B-001 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
A-A-55524/2 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
Related Parts
6625-00-166-1005INTERCHANGEABLE
SHUNT,INSTRUMENT
6625-00-166-1013INTERCHANGEABLE
SHUNT,INSTRUMENT
6625-00-555-2254INTERCHANGEABLE
SHUNT,INSTRUMENT
6625-00-555-2256INTERCHANGEABLE
SHUNT,INSTRUMENT
6625-00-720-2854INTERCHANGEABLE
SHUNT,INSTRUMENT
6625-00-818-3909INTERCHANGEABLE
SHUNT,INSTRUMENT
6625-01-086-0760INTERCHANGEABLE
SHUNT,INSTRUMENT

Frequently Asked Questions

What is NSN 6625-01-322-1935?

NSN 6625-01-322-1935 is a Shunt,instrument, manufactured by Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-01-322-1935?

NSN 6625-01-322-1935 has 6 cross-referenced part numbers: MS91587-1 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), AN3200-170 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), A-A-55524A (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), AA55524/2-001 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), A-A-55524/2B-001 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC) and 1 more.

What NSN replaces 6625-01-322-1935?

There are 7 known substitutes for 6625-01-322-1935: 6625-00-166-1005, 6625-00-166-1013, 6625-00-555-2254 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MS91587-1?

Key specifications for MS91587-1: Overall Width: 1.750 INCHES NOMINAL IN; Center to Center Distance Between Mounting Facilities Parallel to Width: 1.250 INCHES NOMINAL IN; Mounting Provision Quantity: 2; Unthreaded Mounting Hole Diameter: 0.205 INCHES NOMINAL IN. 28 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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