PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2531Ammeter

Solartron Electronics Inc Weston Instruments Div · NSN 6625-00-580-3228 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-580-3228 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-580-3228. Primary manufacturer part number: 2531.
Features
  • Ammeter — FSC 6625
  • Movement Type: MOVING COIL, PERMANENT MAGNET
  • Test Data Document: 81349-MIL-M-10304 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.).
  • Accuracy in Percent: -2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
  • Environmental Protection: COLD RESISTANT AND HEAT RESISTANT AND SHOCK RESISTANT AND SUBMERSIBLE AND VIBRATION RESISTANT AND WATERTIGHT
  • Specification/standard Data: 81349-MIL-M-10304/16 GOVERNMENT SPECIFICATION
  • Mounting Facility Type and Quantity: 3 THREADED STUD(S)
  • Circuit Construction Type: NONELECTRONIC
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Ammeter, cataloged under National Stock Number 6625-00-580-3228, 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 30 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6625-00-580-3228
Primary Part Number2531
Item NameAmmeter
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerSolartron Electronics Inc Weston Instruments Div
StatusACTIVE
Movement TypeMOVING COIL, PERMANENT MAGNET
Test Data Document81349-MIL-M-10304 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.).
Accuracy in Percent-2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Environmental ProtectionCOLD RESISTANT AND HEAT RESISTANT AND SHOCK RESISTANT AND SUBMERSIBLE AND VIBRATION RESISTANT AND WATERTIGHT
Specification/standard Data81349-MIL-M-10304/16 GOVERNMENT SPECIFICATION
Mounting Facility Type and Quantity3 THREADED STUD(S)
Circuit Construction TypeNONELECTRONIC
Measurement Range+0.0 TO 1.0 MILLIAMPERES, DC SINGLE INDICATOR SINGLE RANGE
Surface Treatment Document and ClassificationMIL-F-14072 MIL SPEC SINGLE TREATMENT RESPONSE
Power SourceEXTERNAL
FSC Application DataTEST SET,ELECT. EQUIP.
Style DesignatorROUND FLUSH MTG
Movement Suspension MethodJEWEL PIVOT BASE
Furnished Items and QuantityMTG HDW 3; TERM. HDW 2
Mounting Stud Length0.500 INCHES NOMINAL IN
ColorUNABLE TO DECODE
Mounting Bolt Circle Diameter3.160 INCHES NOMINAL IN
Mounting Arrangement StyleTHREE HOLE/STUD BOLT CIRCLE
Panel for Which DesignedMAGNETIC OR NONMAGNETIC
Sensitivity Rating100.0 MILLIVOLTS
Nuclear Hardness Critical FeatureNONHARDENED
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
Special Test Features100 OHMS RESISTANCE
Overall Diameter3.510 INCHES NOMINAL IN
Surface TreatmentENAMEL SEMIGLOSS
Mounting Stud Diameter0.138 INCHES NOMINAL IN
Features ProvidedLUMINOUS SCALE MARKING AND MAGNETIC SHIELD AND ZERO ADJUSTER
Dielectric Withstanding Voltage in Volts3000.0
Scale Graduation TypeLINEAR SINGLE INDICATOR SINGLE RANGE
Pointer ColorBLACK SINGLE INDICATOR SINGLE RANGE
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor6625-00-100-8748
HAZMATNo
Shelf Life Code0
Criticality CodeN
Unit of IssueEA
SMR CodeLN
Verified Substitutes 12
Voltmeter
6625-00-102-474851261-90015 SUCCESSOR
Meter,special Scale
Textron Systems Corporation Dba Textron Systems Corp
6625-00-103-032710279474 SUCCESSOR
Meter,arbitrary Scale
Us Army Aviation and Missile Command
Meter,audio Level
6625-00-238-54061531 SUCCESSOR
Voltmeter
American Instrument Corp
6625-00-357-18021987055 SUCCESSOR
Voltmeter
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
Voltmeter
Voltmeter
6625-00-731-6900458-5076-010 SUCCESSOR
Ammeter
Continental Electronics Corp
6625-00-995-37842486680 SUCCESSOR
Meter,arbitrary Scale
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
Cross-Reference Index
Part NumberManufacturer
2531 Solartron Electronics Inc Weston Instruments Div (USA)
MR36W109SPECR Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-M-10304/16 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-PRF-10304/16 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
1531 Solartron Electronics Inc Weston Instruments Div (USA)
Related Parts
SUCCESSOR 6625-00-100-8748 Voltmeter
6625-00-102-4748SUCCESSOR
METER,SPECIAL SCALE
51261-90015
6625-00-103-0327SUCCESSOR
METER,ARBITRARY SCALE
10279474
6625-00-151-7802SUCCESSOR
METER,AUDIO LEVEL
6625-00-238-5406SUCCESSOR
VOLTMETER
1531
6625-00-357-1802SUCCESSOR
VOLTMETER
1987055
6625-00-649-3838SUCCESSOR
VOLTMETER
6625-00-668-8049SUCCESSOR
VOLTMETER
6625-00-731-6900SUCCESSOR
AMMETER
458-5076-010
6625-00-995-3784SUCCESSOR
METER,ARBITRARY SCALE
2486680
6625-01-062-8795SUCCESSOR
METER,AUDIO LEVEL
2608400-1
6625-01-148-8526SUCCESSOR
VOLTMETER

Frequently Asked Questions

What is NSN 6625-00-580-3228?

NSN 6625-00-580-3228 is a Ammeter, manufactured by Solartron Electronics Inc Weston Instruments Div, classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-00-580-3228?

NSN 6625-00-580-3228 has 5 cross-referenced part numbers: 2531 (Solartron Electronics Inc Weston Instruments Div), MR36W109SPECR (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-M-10304/16 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-PRF-10304/16 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 1531 (Solartron Electronics Inc Weston Instruments Div).

What NSN replaces 6625-00-580-3228?

There are 12 known substitutes for 6625-00-580-3228: 6625-00-100-8748, 6625-00-102-4748, 6625-00-103-0327 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2531?

Key specifications for 2531: Movement Type: MOVING COIL, PERMANENT MAGNET; Test Data Document: 81349-MIL-M-10304 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.).; Accuracy in Percent: -2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE; Environmental Protection: COLD RESISTANT AND HEAT RESISTANT AND SHOCK RESISTANT AND SUBMERSIBLE AND VIBRATION RESISTANT AND WATERTIGHT. 30 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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