The Ammeter, cataloged under National Stock Number 6625-00-539-2405, 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 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 6625-00-539-2405 |
| Primary Part Number | MIL-M-10304/31 |
| 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 |
| Measurement Range | +0.0 TO 500.0 MICROAMPERES, DC SINGLE INDICATOR SINGLE RANGE |
| Nuclear Hardness Critical Feature | NONHARDENED |
| Circuit Current for Which Designed | DC |
| Features Provided | LUMINOUS SCALE MARKING AND MAGNETIC SHIELD AND ZERO ADJUSTER |
| Overall Diameter | 1.250 INCHES NOMINAL IN |
| Dial Scale Marking Color | BLACK SINGLE INDICATOR SINGLE RANGE |
| Movement Type | MOVING IRON VANE |
| FSC Application Data | TEST SET,ELECT. EQUIP. |
| Circuit Construction Type | NONELECTRONIC |
| Surface Treatment | ENAMEL SEMIGLOSS |
| Power Source | EXTERNAL |
| Style Designator | ROUND FLUSH MTG |
| Material | STEEL |
| 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.). |
| Meter Body Diameter Behind Mounting Flange | 1.187 INCHES NOMINAL IN |
| Indicator Type | DIAL W/POINTER |
| Installation Design | PANEL |
| Meter Depth Behind Mounting Flange | 0.901 INCHES MAXIMUM IN |
| Color | UNABLE TO DECODE |
| Scale Division Quantity | 10 SINGLE INDICATOR SINGLE RANGE |
| Movement Suspension Method | JEWEL PIVOT BASE |
| Panel for Which Designed | MAGNETIC OR NONMAGNETIC |
| Surface Treatment Document and Classification | MIL-F-14072 MIL SPEC ALL TREATMENT RESPONSES |
| Scale Graduation Type | LINEAR SINGLE INDICATOR SINGLE RANGE |
| Pointer Color | BLACK SINGLE INDICATOR SINGLE RANGE |
| Environmental Protection | COLD RESISTANT AND HEAT RESISTANT AND SHOCK RESISTANT AND SUBMERSIBLE AND VIBRATION RESISTANT AND WATERTIGHT |
| Mounting Facility Type and Quantity | 1 THREADED BODY |
| Scale Selection Method | TERMINAL |
| Accuracy in Percent | -3.0 TO 3.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Shelf Life Code | 0 |
| Criticality Code | N |
| Unit of Issue | EA |
| SMR Code | JN |
| Weight | 0.1500 lbs |
| Cube | 0.0069 cu ft |
| Part Number | Manufacturer |
|---|---|
| MIL-M-10304/31 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| MR05W500DCUAR | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| MS90212-22 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| MIL-PRF-10304/31 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| MR05W500DCUA | Prime Technology Inc International Instruments Div (USA) |
NSN 6625-00-539-2405 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 6625-00-539-2405 has 5 cross-referenced part numbers: MIL-M-10304/31 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MR05W500DCUAR (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MS90212-22 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), MIL-PRF-10304/31 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MR05W500DCUA (Prime Technology Inc International Instruments Div).
There are 3 known substitutes for 6625-00-539-2405: 6625-00-906-6083, 5331-00-576-8565, 6625-01-013-3869. Verify interchangeability with system specifications before substitution.
Key specifications for MIL-M-10304/31: Measurement Range: +0.0 TO 500.0 MICROAMPERES, DC SINGLE INDICATOR SINGLE RANGE; Nuclear Hardness Critical Feature: NONHARDENED; Circuit Current for Which Designed: DC; Features Provided: LUMINOUS SCALE MARKING AND MAGNETIC SHIELD AND ZERO ADJUSTER. 30 total characteristics are documented in the Federal Logistics Information System.
NSN 6625-00-539-2405 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.