PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-PRF-10304Ammeter

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 6625-00-648-7562 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-648-7562 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-648-7562. Primary manufacturer part number: MIL-PRF-10304.
Features
  • Ammeter — FSC 6625
  • Circuit Current for Which Designed: DC
  • Meter Body Diameter Behind Mounting Flange: 2.210 INCHES NOMINAL IN
  • Dial Scale Marking Color: BLACK SINGLE INDICATOR SINGLE RANGE
  • Mounting Arrangement Style: THREE HOLE/STUD BOLT CIRCLE
  • Meter Depth Behind Mounting Flange: 1.600 INCHES NOMINAL IN
  • Color: UNABLE TO DECODE
  • Sensitivity Rating: 150.0 MILLIVOLTS
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Ammeter, cataloged under National Stock Number 6625-00-648-7562, 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 28 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: Cancelled. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6625-00-648-7562
Primary Part NumberMIL-PRF-10304
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
Circuit Current for Which DesignedDC
Meter Body Diameter Behind Mounting Flange2.210 INCHES NOMINAL IN
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
Mounting Arrangement StyleTHREE HOLE/STUD BOLT CIRCLE
Meter Depth Behind Mounting Flange1.600 INCHES NOMINAL IN
ColorUNABLE TO DECODE
Sensitivity Rating150.0 MILLIVOLTS
Test Data Document81349-MIL-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
Overall Diameter2.695 INCHES NOMINAL IN
Style DesignatorROUND FLUSH MTG
Mounting Facility Type and Quantity1 FLANGE
Installation DesignPANEL
Special MarkingsSEALED-DO NOT OPEN
Movement TypeMOVING COIL, PERMANENT MAGNET
Scale Division Quantity6 SINGLE INDICATOR SINGLE RANGE
Circuit Attachment Method and Quantity2 SOLDER STUD
Dielectric Withstanding Voltage in Volts3000.0
Features ProvidedMAGNETIC SHIELD
Mounting Bolt Circle Diameter2.440 INCHES NOMINAL IN
Measurement Range+0.0 TO 100.0 AMPERES, DC SINGLE INDICATOR SINGLE RANGE
Movement Suspension MethodMETAL PIVOT BASE
Circuit Current for Which DesignedDC
Meter Body Diameter Behind Mounting Flange2.210 INCHES NOMINAL IN
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
Mounting Arrangement StyleTHREE HOLE/STUD BOLT CIRCLE
Meter Depth Behind Mounting Flange1.600 INCHES NOMINAL IN
ColorUNABLE TO DECODE
Lifecycle & Compliance
Acquisition StatusCANCELLED
Successor6625-00-005-1177
HAZMATNo
Shelf Life Code0
Criticality CodeQ
Unit of IssueEA
SMR CodeYZ
Weight0.3000 lbs
Cube0.0347 cu ft
Verified Substitutes 12
Ammeter
6625-00-191-2324SMA569406-1 SUCCESSOR
Meter,arbitrary Scale
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
Meter,arbitrary Scale
6625-00-191-2340SMA569407-3 SUCCESSOR
Meter,arbitrary Scale
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
6625-00-191-2342SMA569477-1 SUCCESSOR
Meter,arbitrary Scale
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
Meter,audio Level
Ammeter
Ammeter
Ammeter
6625-00-649-3277720691-25 SUCCESSOR
Ammeter
Lockheed Martin Corporation Div Rms - Mitchel Field
Cross-Reference Index
Part NumberManufacturer
MIL-PRF-10304 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MILM10304 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-PRF-10304/5 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
082-000728 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple (USA)
MR26W100DCMAR Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
SUCCESSOR 6625-00-005-1177 Ammeter
6625-00-191-2324SUCCESSOR
METER,ARBITRARY SCALE
SMA569406-1
6625-00-191-2337SUCCESSOR
METER,ARBITRARY SCALE
6625-00-191-2340SUCCESSOR
METER,ARBITRARY SCALE
SMA569407-3
6625-00-191-2342SUCCESSOR
METER,ARBITRARY SCALE
SMA569477-1
6625-00-500-0927SUCCESSOR
METER,AUDIO LEVEL
6625-00-542-0935SUCCESSOR
AMMETER
6625-00-585-1856SUCCESSOR
AMMETER
6625-00-643-1432SUCCESSOR
AMMETER
6625-00-649-3277SUCCESSOR
AMMETER
720691-25
6625-00-649-4086SUCCESSOR
AMMETER
6625-00-668-8036SUCCESSOR
VOLTMETER
372-06753

Frequently Asked Questions

What is NSN 6625-00-648-7562?

NSN 6625-00-648-7562 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 6625-00-648-7562?

NSN 6625-00-648-7562 has 5 cross-referenced part numbers: MIL-PRF-10304 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MILM10304 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-PRF-10304/5 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 082-000728 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple), MR26W100DCMAR (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 6625-00-648-7562?

There are 12 known substitutes for 6625-00-648-7562: 6625-00-005-1177, 6625-00-191-2324, 6625-00-191-2337 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-PRF-10304?

Key specifications for MIL-PRF-10304: Circuit Current for Which Designed: DC; Meter Body Diameter Behind Mounting Flange: 2.210 INCHES NOMINAL IN; Dial Scale Marking Color: BLACK SINGLE INDICATOR SINGLE RANGE; Mounting Arrangement Style: THREE HOLE/STUD BOLT CIRCLE. 30 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6625-00-648-7562 still in active supply?

NSN 6625-00-648-7562 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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