The Voltmeter, cataloged under National Stock Number 6625-00-578-5890, 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 30 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6625-00-578-5890 |
| Primary Part Number | MIL-M-10304/6 |
| Item Name | Voltmeter |
| 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 |
| Frequency Response Range | +25.000 TO 125.000 HERTZ |
| Frequency Rating | 60.0 HERTZ NOMINAL |
| Mounting Arrangement Style | THREE HOLE/STUD BOLT CIRCLE |
| 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.). |
| Movement Type | MOVING IRON VANE |
| Furnished Items and Quantity | NUT 7; LOCKWASHER 5; SEAL 1 |
| Nuclear Hardness Critical Feature | NONHARDENED |
| Mounting Bolt Circle Diameter | 2.440 INCHES NOMINAL IN |
| Circuit Attachment Method and Quantity | 2 SOLDER LUG AND 2 THREADED STUD |
| Circuit Current for Which Designed | AC |
| Material | STEEL |
| Color | UNABLE TO DECODE |
| Indicator Type | DIAL W/POINTER |
| Meter Body Diameter Behind Mounting Flange | 2.210 INCHES MAXIMUM IN |
| Specification/standard Data | 81349-MIL-M-10304/6 GOVERNMENT SPECIFICATION |
| FSC Application Data | TEST SET,ELECT. EQUIP. |
| Special Markings | ON BACK,SEALED DO NOT OPEN |
| Special Test Features | COMPLIES WITH MIL-M-10304 |
| Overall Diameter | 2.695 INCHES MAXIMUM IN |
| Movement Suspension Method | JEWEL PIVOT BASE |
| Installation Design | PANEL |
| Surface Treatment | PAINT |
| Scale Division Quantity | 50 SINGLE INDICATOR SINGLE RANGE |
| Meter Depth Behind Mounting Flange | 1.600 INCHES MAXIMUM IN |
| Dial Scale Marking Color | BLACK SINGLE INDICATOR SINGLE RANGE |
| Environmental Protection | AIRTIGHT AND DUST RESISTANT AND FUNGUS RESISTANT AND HEAT RESISTANT AND HUMIDITY RESISTANT AND SHOCK RESISTANT AND VIBRATION RESISTANT AND WATER RESISTANT |
| Sensitivity Rating | 4.0 VOLT-AMPERES |
| Accuracy in Percent | -2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE |
| Measurement Range | +0.0 TO 50.0 VOLTS, AC SINGLE INDICATOR SINGLE RANGE |
| Scale Selection Method | TERMINAL |
| Acquisition Status | ACTIVE |
| Successor | 6625-00-555-3094 |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| MIL-M-10304/6 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| MR26W050ACVVR | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| MIL-PRF-10304/6 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
NSN 6625-00-578-5890 is a Voltmeter, 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 6625-00-578-5890 has 3 cross-referenced part numbers: MIL-M-10304/6 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MR26W050ACVVR (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-PRF-10304/6 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).
There are 3 known substitutes for 6625-00-578-5890: 6625-00-555-3094, 6625-00-585-9956, 6625-01-099-3791. Verify interchangeability with system specifications before substitution.
Key specifications for MIL-M-10304/6: Frequency Response Range: +25.000 TO 125.000 HERTZ; Frequency Rating: 60.0 HERTZ NOMINAL; Mounting Arrangement Style: THREE HOLE/STUD BOLT CIRCLE; 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.).. 30 total characteristics are documented in the Federal Logistics Information System.