The Ammeter, cataloged under National Stock Number 6625-00-031-3944, 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 6 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 6625-00-031-3944 |
| Primary Part Number | MIL-M-10304/12 |
| Item Name | Ammeter |
| FSC / FSG | 6625 / 66 — No Item Name Available |
| Manufacturer | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| Status | ACTIVE |
| Power Source | EXTERNAL |
| Circuit Current for Which Designed | DC |
| Mounting Facility Type and Quantity | 3 SCREW AND 3 UNTHREADED HOLE(S) |
| Scale Graduation Type | LINEAR SINGLE INDICATOR SINGLE RANGE |
| Scale Selection Method | TERMINAL |
| Movement Suspension Method | JEWEL PIVOT BASE |
| Features Provided | LUMINOUS SCALE MARKING AND MAGNETIC SHIELD AND ZERO ADJUSTER |
| Circuit Construction Type | NONELECTRONIC |
| Dielectric Withstanding Voltage in Volts | 3000.0 |
| Material | STEEL CORROSION RESISTING |
| Color | UNABLE TO DECODE |
| Movement Type | MOVING COIL, PERMANENT MAGNET |
| FSC Application Data | TEST SET,ELECT. EQUIP. |
| Pointer Color | BLACK SINGLE INDICATOR SINGLE RANGE |
| Circuit Attachment Method and Quantity | 2 SOLDER LUG AND 2 THREADED STUD |
| Mounting Bolt Circle Diameter | 3.160 INCHES NOMINAL IN |
| Supplementary Features | 75 MV MAX POWER CONSUMPTION |
| Style Designator | ROUND FLUSH MTG |
| Surface Treatment | ENAMEL SEMIGLOSS |
| 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.). |
| Indicator Type | DIAL W/POINTER |
| Environmental Protection | COLD RESISTANT AND HEAT RESISTANT AND SHOCK RESISTANT AND SUBMERSIBLE AND VIBRATION RESISTANT AND WATERTIGHT |
| Surface Treatment Document and Classification | MIL-F-14072 MIL SPEC SINGLE TREATMENT RESPONSE |
| Measurement Range | -30.0 TO 30.0 AMPERES, DC SINGLE INDICATOR SINGLE RANGE |
| Scale Division Quantity | 30 SINGLE INDICATOR SINGLE RANGE |
| Nuclear Hardness Critical Feature | NONHARDENED |
| Specification/standard Data | 81349-MIL-M-10304/12 GOVERNMENT SPECIFICATION |
| Dial Scale Marking Color | BLACK SINGLE INDICATOR SINGLE RANGE |
| Acquisition Status | ACTIVE |
| Successor | 6625-00-995-3784 (2486680) |
| HAZMAT | No |
| Shelf Life Code | 0 |
| Criticality Code | Q |
| Unit of Issue | EA |
| SMR Code | JN |
| Weight | 0.6300 lbs |
| Cube | 0.0052 cu ft |
| Part Number | Manufacturer |
|---|---|
| MIL-M-10304/12 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| MIL-PRF-10304/12 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| MR36W3T3DCAAR | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| MR36W3T3DCAAR | Hickok Waekon Llc (USA) |
| M2931 | American Instrument Corp (USA) |
| M2931 | Jaidinger Manufacturing Co Inc Dba Jaidinger Manufacturing Co Inc (USA) |
NSN 6625-00-031-3944 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: active.
NSN 6625-00-031-3944 has 6 cross-referenced part numbers: MIL-M-10304/12 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-PRF-10304/12 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MR36W3T3DCAAR (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MR36W3T3DCAAR (Hickok Waekon Llc), M2931 (American Instrument Corp) and 1 more.
There is 1 known substitute for 6625-00-031-3944: 6625-00-995-3784. Verify interchangeability with system specifications before substitution.
Key specifications for MIL-M-10304/12: Power Source: EXTERNAL; Circuit Current for Which Designed: DC; Mounting Facility Type and Quantity: 3 SCREW AND 3 UNTHREADED HOLE(S); Special Features: RUGGEDIZED. 30 total characteristics are documented in the Federal Logistics Information System.