PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

185041Ammeter

Solartron Electronics Inc Weston Instruments Div · NSN 6625-00-553-8457 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-553-8457 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-553-8457. Primary manufacturer part number: 185041.
Features
  • Ammeter — FSC 6625
  • Mounting Arrangement Style: THREE HOLE/STUD BOLT CIRCLE
  • FSC Application Data: TEST SET ELECTRONIC
  • Mounting Hole Diameter: 0.143 INCHES MINIMUM AND 0.157 INCHES MAXIMUM IN
  • Movement Type: MOVING IRON VANE
  • Mounting Facility Type and Quantity: 3 UNTHREADED HOLE(S)
  • Material: STEEL
  • Environmental Protection: AIRTIGHT AND DUST RESISTANT AND FUNGUS RESISTANT AND HEAT RESISTANT AND HUMIDITY RESISTANT AND SHOCK RESISTANT AND VIBRATION RESISTANT AND WATER RESISTANT
Applications
  • Applications requiring Steel construction
General Description

The Ammeter, cataloged under National Stock Number 6625-00-553-8457, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Solartron Electronics Inc Weston Instruments Div. Government technical data includes 29 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6625-00-553-8457
Primary Part Number185041
Item NameAmmeter
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerSolartron Electronics Inc Weston Instruments Div
StatusCANCELLED
Mounting Arrangement StyleTHREE HOLE/STUD BOLT CIRCLE
FSC Application DataTEST SET ELECTRONIC
Mounting Hole Diameter0.143 INCHES MINIMUM AND 0.157 INCHES MAXIMUM IN
Movement TypeMOVING IRON VANE
Mounting Facility Type and Quantity3 UNTHREADED HOLE(S)
MaterialSTEEL
Environmental ProtectionAIRTIGHT AND DUST RESISTANT AND FUNGUS RESISTANT AND HEAT RESISTANT AND HUMIDITY RESISTANT AND SHOCK RESISTANT AND VIBRATION RESISTANT AND WATER RESISTANT
Indicator TypeDIAL W/POINTER
Accuracy in Percent-2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Scale Division Quantity50 SINGLE INDICATOR SINGLE RANGE
Circuit Current for Which DesignedDC
Measurement Range+0.0 TO 50.0 MILLIAMPERES, DC SINGLE INDICATOR SINGLE RANGE
Test Data Document81349-MIL-M-10304/12 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.).
ColorUNABLE TO DECODE
Mounting Bolt Circle Diameter3.160 INCHES NOMINAL IN
Specification/standard Data81349-MIL-M-10304/12 GOVERNMENT SPECIFICATION
Installation DesignPANEL
Overall Diameter3.510 INCHES MAXIMUM IN
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
Pointer ColorBLACK SINGLE INDICATOR SINGLE RANGE
Panel for Which DesignedMAGNETIC
Scale Selection MethodSWITCH
Meter Body Diameter Behind Mounting Flange2.800 INCHES MAXIMUM IN
Meter Depth Behind Mounting Flange2.450 INCHES MAXIMUM IN
Style DesignatorROUND FLUSH MTG
Circuit Attachment Method and Quantity2 THREADED STUD
Movement Suspension MethodTAUT BAND
Features ProvidedMAGNETIC SHIELD AND ZERO ADJUSTER
Power SourceEXTERNAL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Shelf Life Code0
Criticality CodeQ
Unit of IssueEA
SMR CodeJN
Weight0.7500 lbs
Cube0.0586 cu ft
Verified Substitutes 3
5935-00-528-8443 INTERCHANGEABLE
Dummy Connector,receptacle
5998-01-304-1738185041 INTERCHANGEABLE
Circuit Card Assembly
Northrop Grumman Systems Corporation
5340-01-507-2460 INTERCHANGEABLE
Clamp,loop
Cross-Reference Index
Part NumberManufacturer
185041 Solartron Electronics Inc Weston Instruments Div (USA)
L219562-7 Raytheon Company Dba Raytheon Co (USA)
219562-7 Raytheon Company Dba Raytheon Co (USA)
587AS151-1 Phaostron Instrument and Electronic Company (USA)
MIL-M-10304/12 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
1531-142958 Solartron Electronics Inc Weston Instruments Div (USA)
587AS151-1 Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA)
MIL-PRF-10304/12 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MILM10304C1-12CMR36W Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
587AS151-1 Triplett (bluffton) Corporation Dba Lfe Instruments (USA)
MR36W050DCMAR Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5935-00-528-8443INTERCHANGEABLE
DUMMY CONNECTOR,RECEPTACLE
5998-01-304-1738INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
185041
5340-01-507-2460INTERCHANGEABLE
CLAMP,LOOP

Frequently Asked Questions

What is NSN 6625-00-553-8457?

NSN 6625-00-553-8457 is a Ammeter, manufactured by Solartron Electronics Inc Weston Instruments Div, classified under FSC 6625 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6625-00-553-8457?

NSN 6625-00-553-8457 has 11 cross-referenced part numbers: 185041 (Solartron Electronics Inc Weston Instruments Div), L219562-7 (Raytheon Company Dba Raytheon Co), 219562-7 (Raytheon Company Dba Raytheon Co), 587AS151-1 (Phaostron Instrument and Electronic Company), MIL-M-10304/12 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 6 more.

What NSN replaces 6625-00-553-8457?

There are 3 known substitutes for 6625-00-553-8457: 5935-00-528-8443, 5998-01-304-1738, 5340-01-507-2460. Verify interchangeability with system specifications before substitution.

What are the specifications of 185041?

Key specifications for 185041: Mounting Arrangement Style: THREE HOLE/STUD BOLT CIRCLE; FSC Application Data: TEST SET ELECTRONIC; Mounting Hole Diameter: 0.143 INCHES MINIMUM AND 0.157 INCHES MAXIMUM IN; Movement Type: MOVING IRON VANE. 30 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6625-00-553-8457 still in active supply?

NSN 6625-00-553-8457 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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