The Ammeter, cataloged under National Stock Number 6625-00-553-7622, 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 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 6625-00-553-7622 |
| 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 | CANCELLED |
| Movement Type | MOVING COIL, PERMANENT MAGNET |
| Mounting Arrangement Style | THREE HOLE/STUD BOLT CIRCLE |
| Reliability Indicator | NOT ESTABLISHED |
| Measurement Range | +0.0 TO 50.0 AMPERES, DC SINGLE INDICATOR SINGLE RANGE |
| Mounting Bolt Circle Diameter | 3.160 INCHES NOMINAL IN |
| Color | UNABLE TO DECODE |
| Overall Diameter | 3.500 INCHES NOMINAL IN |
| Style Designator | ROUND FLUSH MTG |
| FSC Application Data | TEST SET,ELECT. EQUIP. |
| Indicator Type | DIAL W/POINTER |
| Nuclear Hardness Critical Feature | NONHARDENED |
| Installation Design | PANEL |
| Dial Scale Marking Color | BLACK SINGLE INDICATOR SINGLE RANGE |
| Accuracy in Percent | -2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE |
| 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.). |
| Scale Division Quantity | 50 SINGLE INDICATOR SINGLE RANGE |
| Meter Depth Behind Mounting Flange | 2.400 INCHES NOMINAL IN |
| Mounting Facility Type and Quantity | 3 UNTHREADED HOLE(S) |
| Scale Graduation Type | LINEAR SINGLE INDICATOR SINGLE RANGE |
| Power Source | EXTERNAL |
| Pointer Color | BLACK SINGLE INDICATOR SINGLE RANGE |
| Movement Suspension Method | JEWEL PIVOT BASE |
| Features Provided | ZERO ADJUSTER |
| Circuit Attachment Method and Quantity | 2 BINDING POST |
| Meter Body Diameter Behind Mounting Flange | 2.800 INCHES NOMINAL IN |
| Environmental Protection | DUSTPROOF |
| Panel for Which Designed | NONMAGNETIC |
| Sensitivity Rating | 50.0 MILLIVOLTS |
| Circuit Current for Which Designed | DC |
| Acquisition Status | CANCELLED |
| Successor | 6625-00-102-4748 (51261-90015) |
| HAZMAT | No |
| Shelf Life Code | 0 |
| Criticality Code | Q |
| Unit of Issue | EA |
| SMR Code | JN |
| Weight | 1.0000 lbs |
| Cube | 0.0381 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 |
| 1531 | Solartron Electronics Inc Weston Instruments Div (USA) |
| MR36W050DCAAR | Solartron Electronics Inc Weston Instruments Div (USA) |
| MR36W050DCAAR | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| 54B6835H25 | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA) |
| 313-01060 | Phaostron Instrument and Electronic Company (USA) |
| MIL-PRF-10304/12 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| 603427 | Lockheed Martin Corporation Div Rms - Mitchel Field (USA) |
| 4730654 | The Boeing Company (USA) |
| 54B6835H25 | Westinghouse Electric Corp (USA) |
| 631-312 | Phaostron Instrument and Electronic Company (USA) |
NSN 6625-00-553-7622 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.
NSN 6625-00-553-7622 has 11 cross-referenced part numbers: MIL-M-10304/12 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 1531 (Solartron Electronics Inc Weston Instruments Div), MR36W050DCAAR (Solartron Electronics Inc Weston Instruments Div), MR36W050DCAAR (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 54B6835H25 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp) and 6 more.
There are 5 known substitutes for 6625-00-553-7622: 6625-00-102-4748, 6625-00-238-5406, 6625-00-668-8049 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for MIL-M-10304/12: Movement Type: MOVING COIL, PERMANENT MAGNET; Mounting Arrangement Style: THREE HOLE/STUD BOLT CIRCLE; Reliability Indicator: NOT ESTABLISHED; Measurement Range: +0.0 TO 50.0 AMPERES, DC SINGLE INDICATOR SINGLE RANGE. 30 total characteristics are documented in the Federal Logistics Information System.
NSN 6625-00-553-7622 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.