PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-M-10304/5Ammeter

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 6625-00-555-2946 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-555-2946 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-555-2946. Primary manufacturer part number: MIL-M-10304/5.
Features
  • Ammeter — FSC 6625
  • Mounting Arrangement Style: THREE HOLE/STUD BOLT CIRCLE
  • Environmental Protection: DUSTPROOF
  • Style Designator: ROUND FLUSH MTG
  • Scale Selection Method: SWITCH
  • Mounting Bolt Circle Diameter: 2.440 INCHES NOMINAL IN
  • Accuracy in Percent: -2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
  • Color: UNABLE TO DECODE
Applications
  • Applications requiring Steel construction
General Description

The Ammeter, cataloged under National Stock Number 6625-00-555-2946, 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 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6625-00-555-2946
Primary Part NumberMIL-M-10304/5
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
Mounting Arrangement StyleTHREE HOLE/STUD BOLT CIRCLE
Environmental ProtectionDUSTPROOF
Style DesignatorROUND FLUSH MTG
Scale Selection MethodSWITCH
Mounting Bolt Circle Diameter2.440 INCHES NOMINAL IN
Accuracy in Percent-2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
ColorUNABLE TO DECODE
Test Data Document81349-MIL-PRF-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.).
FSC Application DataTEST SET ELECTRONIC
MaterialSTEEL
Overall Diameter2.695 INCHES MAXIMUM IN
Circuit Attachment Method and Quantity2 SOLDER LUG AND 2 THREADED STUD
Sensitivity Rating150.0 MILLIVOLTS
Pointer ColorBLACK SINGLE INDICATOR SINGLE RANGE
Meter Depth Behind Mounting Flange1.600 INCHES MAXIMUM IN
Meter Body Diameter Behind Mounting Flange2.210 INCHES MAXIMUM IN
Movement TypeMOVING IRON VANE
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
Installation DesignPANEL
Measurement Range-50.0 TO 50.0 MICROAMPERES, DC SINGLE INDICATOR SINGLE RANGE
Scale Division Quantity50 SINGLE INDICATOR SINGLE RANGE
Indicator TypeDIAL W/POINTER
Mounting Facility Type and Quantity3 SCREW AND 3 UNTHREADED HOLE(S)
Features ProvidedZERO ADJUSTER
Movement Suspension MethodTAUT BAND
Scale Graduation TypeLINEAR SINGLE INDICATOR SINGLE RANGE
Mounting Hole Diameter0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN
Power SourceEXTERNAL
Lifecycle & Compliance
Acquisition StatusCANCELLED
Successor6625-00-220-9986
HAZMATNo
Shelf Life Code0
Criticality CodeQ
Unit of IssueEA
SMR CodeZN
Weight0.6313 lbs
Cube0.0208 cu ft
Verified Substitutes 11
Meter,audio Level
Ammeter
Ammeter
6625-00-913-725463A3D26 SUCCESSOR
Meter,arbitrary Scale
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
Meter,arbitrary Scale
6625-01-069-1494SM-A-776453 SUCCESSOR
Ammeter
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
6625-01-091-683211437135 SUCCESSOR
Ammeter
Us Army Aviation and Missile Command
6625-01-168-6813P10304-004-01 SUCCESSOR
Ammeter
Us Army Aviation and Missile Command
6625-01-483-3636265-907 SUCCESSOR
Ammeter
Jewell Instruments Llc
3110-00-100-35431795926 INTERCHANGEABLE
Cone and Rollers,tapered Roller
Chrysler Realty Company Llc Dba Daimler Chrysler
Cross-Reference Index
Part NumberManufacturer
MIL-M-10304/5 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MR26W5T5DCUAR 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
M2921 Jaidinger Manufacturing Co Inc Dba Jaidinger Manufacturing Co Inc (USA)
Related Parts
SUCCESSOR 6625-00-220-9986 Meter,audio Level
6625-00-725-8151SUCCESSOR
AMMETER
6625-00-841-7570SUCCESSOR
AMMETER
6625-00-913-7254SUCCESSOR
METER,ARBITRARY SCALE
63A3D26
6625-01-048-3748SUCCESSOR
METER,ARBITRARY SCALE
6625-01-069-1494SUCCESSOR
AMMETER
SM-A-776453
6625-01-091-6832SUCCESSOR
AMMETER
11437135
6625-01-168-6813SUCCESSOR
AMMETER
P10304-004-01
6625-01-483-3636SUCCESSOR
AMMETER
265-907
3110-00-100-3543INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
1795926
6625-00-950-6359INTERCHANGEABLE
METER,ARBITRARY SCALE
2514984

Frequently Asked Questions

What is NSN 6625-00-555-2946?

NSN 6625-00-555-2946 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 6625-00-555-2946?

NSN 6625-00-555-2946 has 4 cross-referenced part numbers: MIL-M-10304/5 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MR26W5T5DCUAR (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), M2921 (Jaidinger Manufacturing Co Inc Dba Jaidinger Manufacturing Co Inc).

What NSN replaces 6625-00-555-2946?

There are 11 known substitutes for 6625-00-555-2946: 6625-00-220-9986, 6625-00-725-8151, 6625-00-841-7570 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-M-10304/5?

Key specifications for MIL-M-10304/5: Mounting Arrangement Style: THREE HOLE/STUD BOLT CIRCLE; Environmental Protection: DUSTPROOF; Style Designator: ROUND FLUSH MTG; Scale Selection Method: SWITCH. 30 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6625-00-555-2946 still in active supply?

NSN 6625-00-555-2946 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.
PartsTable Design LLC · partstable.com