PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-PRF-10304/12Ammeter

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 6625-00-668-9246 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-668-9246 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-668-9246. Primary manufacturer part number: MIL-PRF-10304/12.
Features
  • Ammeter — FSC 6625
  • Dielectric Withstanding Voltage in Volts: 3000.0
  • Dial Scale Marking Color: BLACK SINGLE INDICATOR SINGLE RANGE
  • Color: UNABLE TO DECODE
  • 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.).
  • Environmental Protection: COLD RESISTANT AND HEAT RESISTANT AND SHOCK RESISTANT AND SUBMERSIBLE AND VIBRATION RESISTANT AND WATERTIGHT
  • Panel for Which Designed: MAGNETIC OR NONMAGNETIC
  • Style Designator: ROUND FLUSH MTG
Applications
  • Applications requiring Steel construction
General Description

The Ammeter, cataloged under National Stock Number 6625-00-668-9246, 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 29 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 5 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
NSN6625-00-668-9246
Primary Part NumberMIL-PRF-10304/12
Item NameAmmeter
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusCANCELLED
Dielectric Withstanding Voltage in Volts3000.0
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
ColorUNABLE TO DECODE
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.).
Environmental ProtectionCOLD RESISTANT AND HEAT RESISTANT AND SHOCK RESISTANT AND SUBMERSIBLE AND VIBRATION RESISTANT AND WATERTIGHT
Panel for Which DesignedMAGNETIC OR NONMAGNETIC
Style DesignatorROUND FLUSH MTG
MaterialSTEEL
Power SourceEXTERNAL
Measurement Range+0.0 TO 1.0 AMPERES, DC SINGLE INDICATOR SINGLE RANGE
Scale Division Quantity10 SINGLE INDICATOR SINGLE RANGE
Mounting Arrangement StyleTHREE HOLE/STUD BOLT CIRCLE
Meter Depth Behind Mounting Flange2.450 INCHES MAXIMUM IN
Accuracy in Percent-2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Movement TypeMOVING IRON VANE
Specification/standard Data81349-MIL-M-10304/12 GOVERNMENT SPECIFICATION
FSC Application DataTEST SET,ELECT. EQUIP.
Indicator TypeDIAL W/POINTER
Furnished Items and QuantityMTG HDW 3
Scale Graduation TypeLINEAR SINGLE INDICATOR SINGLE RANGE
Nuclear Hardness Critical FeatureNONHARDENED
Circuit Attachment Method and Quantity2 SOLDER LUG AND 2 THREADED STUD
Circuit Current for Which DesignedDC
Overall Diameter3.510 INCHES MAXIMUM IN
Mounting Stud Length0.500 INCHES NOMINAL IN
Mounting Bolt Circle Diameter3.160 INCHES NOMINAL IN
Sensitivity Rating75.0 MILLIVOLTS
Mounting Facility Type and Quantity3 THREADED STUD(S)
Pointer ColorBLACK SINGLE INDICATOR SINGLE RANGE
Lifecycle & Compliance
Acquisition StatusCANCELLED
Successor6625-00-023-9565
HAZMATNo
Shelf Life Code0
Criticality CodeQ
Unit of IssueEA
SMR CodeJN
Weight0.7200 lbs
Cube0.0380 cu ft
Verified Substitutes 12
Voltmeter
Contact,electrical
6625-00-073-998225-801860-3 SUCCESSOR
Voltmeter
General Dynamics Mission Systems, Inc.
6625-00-103-032710279474 SUCCESSOR
Meter,arbitrary Scale
Us Army Aviation and Missile Command
Ammeter
6625-00-127-6672213039 SUCCESSOR
Voltmeter
Northrop Grumman Systems Corp Dba Northrop Grumman Systems Corp
Ammeter
Ammeter
Ammeter
Ammeter
Cross-Reference Index
Part NumberManufacturer
MIL-PRF-10304/12 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
EDM80-026X Veeco Instruments Inc Lambda Div (USA)
MIL-M-6 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
365 Jewell Instruments, Llc Dba Modutec Use CAGE Code 33005 for Cataloging (USA)
MR36W800DCMA Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MILM10304D1-12DMR36W Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MR36W001DCAAR Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-M-10304/12 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
739109-001 Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
742289 L3harris Cincinnati Electronics Corporation (USA)
MR36W800DCMAR Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
SUCCESSOR 6625-00-023-9565 Voltmeter
5999-00-035-8721SUCCESSOR
CONTACT,ELECTRICAL
6625-00-073-9982SUCCESSOR
VOLTMETER
25-801860-3
6625-00-103-0327SUCCESSOR
METER,ARBITRARY SCALE
10279474
6625-00-109-2061SUCCESSOR
AMMETER
6625-00-127-6672SUCCESSOR
VOLTMETER
213039
6625-00-144-0056SUCCESSOR
AMMETER
6625-00-144-0183SUCCESSOR
AMMETER
6625-00-144-0305SUCCESSOR
AMMETER
6625-00-144-0323SUCCESSOR
AMMETER
6625-00-144-0381SUCCESSOR
AMMETER
6625-00-144-1429SUCCESSOR
AMMETER

Frequently Asked Questions

What is NSN 6625-00-668-9246?

NSN 6625-00-668-9246 is a Ammeter, 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 6625-00-668-9246?

NSN 6625-00-668-9246 has 11 cross-referenced part numbers: MIL-PRF-10304/12 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), EDM80-026X (Veeco Instruments Inc Lambda Div), MIL-M-6 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 365 (Jewell Instruments, Llc Dba Modutec Use CAGE Code 33005 for Cataloging), MR36W800DCMA (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 6 more.

What NSN replaces 6625-00-668-9246?

There are 12 known substitutes for 6625-00-668-9246: 6625-00-023-9565, 5999-00-035-8721, 6625-00-073-9982 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-PRF-10304/12?

Key specifications for MIL-PRF-10304/12: Dielectric Withstanding Voltage in Volts: 3000.0; Dial Scale Marking Color: BLACK SINGLE INDICATOR SINGLE RANGE; Color: UNABLE TO DECODE; 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.).. 30 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6625-00-668-9246 still in active supply?

NSN 6625-00-668-9246 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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