The Voltmeter, cataloged under National Stock Number 6625-00-542-6488, 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 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 6625-00-542-6488 |
| Primary Part Number | MIL-M-10304/4 |
| 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 | CANCELLED |
| Mounting Arrangement Style | THREE HOLE/STUD BOLT CIRCLE |
| Overall Diameter | 2.686 INCHES NOMINAL IN |
| Dial Scale Marking Color | BLACK SINGLE INDICATOR SINGLE RANGE |
| Mounting Facility Type and Quantity | 3 SCREW AND 3 UNTHREADED HOLE(S) |
| Sensitivity Rating | 1.0 MILLIAMPERES |
| Scale Selection Method | TERMINAL |
| Pointer Color | BLACK SINGLE INDICATOR SINGLE RANGE |
| Movement Suspension Method | JEWEL PIVOT BASE |
| Dielectric Withstanding Voltage in Volts | 1500.0 |
| Environmental Protection | AIRTIGHT AND DUST RESISTANT AND FUNGUS RESISTANT AND HEAT RESISTANT AND HUMIDITY RESISTANT AND SHOCK RESISTANT AND VIBRATION RESISTANT AND WATER RESISTANT |
| Nuclear Hardness Critical Feature | NONHARDENED |
| Indicator Type | DIAL W/POINTER |
| Style Designator | ROUND FLUSH MTG |
| Special Test Features | COMPLIES WITH MIL-M-10304/4 |
| Accuracy in Percent | -2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE |
| Meter Body Diameter Behind Mounting Flange | 2.058 INCHES NOMINAL IN |
| Movement Type | MOVING COIL, PERMANENT MAGNET |
| Special Markings | ON BACK,SEALED DO NOT OPEN |
| Meter Depth Behind Mounting Flange | 1.183 INCHES NOMINAL IN |
| Surface Treatment | PAINT |
| Scale Graduation Type | LINEAR 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.). |
| Material | STEEL |
| Mounting Bolt Circle Diameter | 2.440 INCHES NOMINAL IN |
| Features Provided | MAGNETIC SHIELD AND ZERO ADJUSTER |
| Furnished Items and Quantity | NUT 5; LOCKWASHER 5; SEAL 1 |
| Measurement Range | +0.0 TO 500.0 VOLTS, DC SINGLE INDICATOR SINGLE RANGE |
| Power Source | EXTERNAL |
| Circuit Current for Which Designed | DC |
| Acquisition Status | CANCELLED |
| Successor | 6625-00-555-3095 |
| HAZMAT | No |
| Shelf Life Code | 0 |
| Criticality Code | Q |
| Unit of Issue | EA |
| SMR Code | JZ |
| Weight | 0.5650 lbs |
| Cube | 0.0214 cu ft |
| Part Number | Manufacturer |
|---|---|
| MIL-M-10304/4 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| MR26W500DCVVR | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| MIL-PRF-10304/4 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
NSN 6625-00-542-6488 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: cancelled.
NSN 6625-00-542-6488 has 3 cross-referenced part numbers: MIL-M-10304/4 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MR26W500DCVVR (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-PRF-10304/4 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).
There is 1 known substitute for 6625-00-542-6488: 6625-00-555-3095. Verify interchangeability with system specifications before substitution.
Key specifications for MIL-M-10304/4: Mounting Arrangement Style: THREE HOLE/STUD BOLT CIRCLE; Overall Diameter: 2.686 INCHES NOMINAL IN; Dial Scale Marking Color: BLACK SINGLE INDICATOR SINGLE RANGE; Mounting Facility Type and Quantity: 3 SCREW AND 3 UNTHREADED HOLE(S). 30 total characteristics are documented in the Federal Logistics Information System.
NSN 6625-00-542-6488 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.