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 6625-00-841-7570 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-841-7570 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-841-7570. Primary manufacturer part number: MIL-M-10304/5.
Features
  • Ammeter — FSC 6625
  • Mounting Bolt Circle Diameter: 2.440 INCHES NOMINAL IN
  • Accuracy in Percent: -2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
  • Mounting Hole Diameter: 0.125 INCHES NOMINAL IN
  • Overall Diameter: 2.695 INCHES MAXIMUM IN
  • Pointer Color: BLACK SINGLE INDICATOR SINGLE RANGE
  • Movement Suspension Method: JEWEL PIVOT BASE
  • Circuit Current for Which Designed: DC
Applications
  • Applications requiring Steel construction
General Description

The Ammeter, cataloged under National Stock Number 6625-00-841-7570, 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 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6625-00-841-7570
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 Bolt Circle Diameter2.440 INCHES NOMINAL IN
Accuracy in Percent-2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Mounting Hole Diameter0.125 INCHES NOMINAL IN
Overall Diameter2.695 INCHES MAXIMUM IN
Pointer ColorBLACK SINGLE INDICATOR SINGLE RANGE
Movement Suspension MethodJEWEL PIVOT BASE
Circuit Current for Which DesignedDC
Features ProvidedLUMINOUS SCALE MARKING AND MAGNETIC SHIELD AND ZERO ADJUSTER
Surface TreatmentENAMEL SEMIGLOSS
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.).
FSC Application DataTEST SET,ELECT. EQUIP.
Circuit Construction TypeNONELECTRONIC
Style DesignatorROUND FLUSH MTG
Movement TypeMOVING IRON VANE
Circuit Attachment Method and Quantity2 SOLDER LUG AND 2 THREADED STUD
Surface Treatment Document and ClassificationMIL-F-14072 MIL SPEC ALL TREATMENT RESPONSES
Panel for Which DesignedMAGNETIC OR NONMAGNETIC
Indicator TypeDIAL W/POINTER
Meter Body Diameter Behind Mounting Flange2.210 INCHES MAXIMUM IN
Environmental ProtectionCOLD RESISTANT AND HEAT RESISTANT AND SHOCK RESISTANT AND SUBMERSIBLE AND VIBRATION RESISTANT AND WATERTIGHT
Nuclear Hardness Critical FeatureNONHARDENED
Scale Division Quantity50 SINGLE INDICATOR SINGLE RANGE
Sensitivity Rating150.0 MILLIVOLTS
ColorUNABLE TO DECODE
MaterialSTEEL
Power SourceEXTERNAL
Specification/standard Data81349-MIL-M-10304/5 GOVERNMENT SPECIFICATION
Installation DesignPANEL
Meter Depth Behind Mounting Flange1.600 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
No Item Name Available
Ammeter
Ammeter
Ammeter
Ammeter
Ammeter
Ammeter
Ammeter
Ammeter
Ammeter
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
MR26W25U25DCUAR Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
217-04288 Phaostron Instrument and Electronic Company (USA)
468855 Honeywell International Inc. Dba Honeywell International Div Aerospace-Minneapolis (USA)
Related Parts
6625-00-812-8684SUCCESSOR
NO ITEM NAME AVAILABLE
6625-00-057-3629SUCCESSOR
AMMETER
6625-00-069-3298SUCCESSOR
AMMETER
6625-00-080-2096SUCCESSOR
AMMETER
6625-00-113-9995SUCCESSOR
AMMETER
6625-00-115-9343SUCCESSOR
AMMETER
6625-00-169-6524SUCCESSOR
AMMETER
6625-00-186-8261SUCCESSOR
AMMETER
6625-00-538-9033SUCCESSOR
AMMETER
6625-00-538-9039SUCCESSOR
AMMETER
6625-00-539-9639SUCCESSOR
AMMETER
6625-00-539-9640SUCCESSOR
AMMETER

Frequently Asked Questions

What is NSN 6625-00-841-7570?

NSN 6625-00-841-7570 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 6625-00-841-7570?

NSN 6625-00-841-7570 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), MR26W25U25DCUAR (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 217-04288 (Phaostron Instrument and Electronic Company), 468855 (Honeywell International Inc. Dba Honeywell International Div Aerospace-Minneapolis).

What NSN replaces 6625-00-841-7570?

There are 12 known substitutes for 6625-00-841-7570: 6625-00-812-8684, 6625-00-057-3629, 6625-00-069-3298 and 9 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 Bolt Circle Diameter: 2.440 INCHES NOMINAL IN; Accuracy in Percent: -2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE; Mounting Hole Diameter: 0.125 INCHES NOMINAL IN; Overall Diameter: 2.695 INCHES MAXIMUM IN. 30 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6625-00-841-7570 still in active supply?

NSN 6625-00-841-7570 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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