The Shunt,instrument, cataloged under National Stock Number 6625-00-555-2256, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Metermaster Inc. Government technical data includes 23 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 16 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.
| Parameter | Value |
|---|---|
| NSN | 6625-00-555-2256 |
| Primary Part Number | MS91587-7 |
| Item Name | Shunt,instrument |
| FSC / FSG | 6625 / 66 — No Item Name Available |
| Manufacturer | Metermaster Inc |
| Status | CANCELLED |
| Usage Design | EXTERNAL |
| Terminal Type and Quantity | 4 SCREW |
| Specification/standard Data | 58536-A-A-55524/2 GOVERNMENT SPECIFICATION |
| Special Markings | 50 MV,500 AMP |
| Furnished Items and Quantity | PLAIN WASHER 4; BRASS WASHER 2 |
| Accuracy in Percent | -0.5 TO 0.5 AT FULL SCALE |
| FSC Application Data | ELECTRICAL,ELECTRONIC PROPERTIES MEASURING AND TEST INSTRUMENTS |
| 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.). |
| Voltage Drop in Millivolts | 50.0 NOMINAL |
| Terminal Location | ONE SIDE AND TOP |
| Cubic Measure | 7.963 CUBIC INCHES |
| Criticality Code Justification | FEAT |
| Current Rating and Type | 500.0 AMPERES NOMINAL DC |
| Mounting Method | UNTHREADED HOLE(S) |
| Reliability Indicator | NOT ESTABLISHED |
| Mounting Provision Quantity | 2 |
| Unthreaded Mounting Hole Diameter | 0.205 INCHES NOMINAL IN |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 1.250 INCHES NOMINAL IN |
| Usage Design | EXTERNAL |
| Terminal Type and Quantity | 4 SCREW |
| Specification/standard Data | 58536-A-A-55524/2 GOVERNMENT SPECIFICATION |
| Special Markings | 50 MV,500 AMP |
| Furnished Items and Quantity | PLAIN WASHER 4; BRASS WASHER 2 |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Shelf Life Code | 0 |
| Criticality Code | Q |
| Unit of Issue | EA |
| SMR Code | DZ |
| Weight | 0.6400 lbs |
| Cube | 0.0347 cu ft |
| Part Number | Manufacturer |
|---|---|
| MS91587-7 | Metermaster Inc (USA) |
| 92433 | Solartron Electronics Inc Weston Instruments Div (USA) |
| 2480881 | The Boeing Company (USA) |
| MS91587-7 | Canadian Shunt Industries Inc (CAN) |
| MLB-500-50 | Empro Manufacturing Co Inc Dba Empro Shunts (USA) |
| 136403110 | Eaton Corporation (USA) |
| AA55524/2-007 | Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA) |
| MS91587-7 | Empro Manufacturing Co Inc Dba Empro Shunts (USA) |
| A-A-55524/2 | Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA) |
| MSB501 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| MILS61BMSB501 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| MIL-S-61 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| 10087444 | Nimikkeistokeskus Ncb Finland (FIN) |
| MA761H500 | Sigmation Inc (USA) |
| MSB501 | Solartron Electronics Inc Weston Instruments Div (USA) |
| MS91587-7 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
NSN 6625-00-555-2256 is a Shunt,instrument, manufactured by Metermaster Inc, classified under FSC 6625 (No Item Name Available). Status: cancelled.
NSN 6625-00-555-2256 has 16 cross-referenced part numbers: MS91587-7 (Metermaster Inc), 92433 (Solartron Electronics Inc Weston Instruments Div), 2480881 (The Boeing Company), MS91587-7 (Canadian Shunt Industries Inc), MLB-500-50 (Empro Manufacturing Co Inc Dba Empro Shunts) and 11 more.
There are 12 known substitutes for 6625-00-555-2256: 1560-00-025-5023, 6625-00-060-1213, 6625-00-166-1002 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for MS91587-7: Overall Height: 1.400 INCHES NOMINAL IN; Usage Design: EXTERNAL; Terminal Type and Quantity: 4 SCREW; Special Features: CRITICAL APPLICATION-ASSAULT AMPHIBIOUS VEHICLE: COMMAND (AAVA-7A1),PERSONAL (AAVP-7A1),RECOVERY (AAVR-7A1); CENTRAL OFFICE,TELEPHONE,AUTO: 600 LINES (AN/TTC-38(V)2),300 LINES (AN/TTC-38(V)1); HELICOPTER,COBRA/TOW,AH SERIES; FIGHTING VEHICLE SYSTEMS,BRADLEY (BFVS); CARRIER,GME; LANCE M667/CHAPARRAL M730A1/M740A2; COMMUNICATION CENTER,PATCHING,AN/TTC-38(V)1; TELEPHONE,CENTRAL OFFICE,AN/TTC-38V1; MISSILE SYSTEM,AEGIS SURFACE (SMS) MK 7; TRUCK,5-TON M939 SERIES. 30 total characteristics are documented in the Federal Logistics Information System.
NSN 6625-00-555-2256 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.