The Voltmeter, cataloged under National Stock Number 6625-01-303-4890, 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 6625-01-303-4890 |
| Primary Part Number | MR34W1T1DCVVR |
| 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 |
| Mounting Hole Diameter | 0.150 INCHES NOMINAL IN |
| Furnished Items and Quantity | NUT 7; LOCKWASHER 5; FLAT WASHER 4; SEAL 1 |
| Installation Design | PANEL |
| Mounting Arrangement Style | THREE HOLE/STUD BOLT CIRCLE |
| Dielectric Withstanding Voltage in Volts | 3000.0 |
| Scale Division Quantity | 20 SINGLE INDICATOR SINGLE RANGE |
| Meter Depth Behind Mounting Flange | 1.660 INCHES MAXIMUM IN |
| Environmental Protection | AIRTIGHT AND DUST RESISTANT AND FUNGUS RESISTANT AND HEAT RESISTANT AND HUMIDITY RESISTANT AND SHOCK RESISTANT AND VIBRATION RESISTANT AND WATER RESISTANT |
| Overall Diameter | 3.510 INCHES MAXIMUM IN |
| Accuracy in Percent | -2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE |
| Mounting Bolt Circle Diameter | 3.160 INCHES NOMINAL IN |
| Dial Scale Marking Color | BLACK SINGLE INDICATOR SINGLE RANGE |
| Meter Body Diameter Behind Mounting Flange | 2.800 INCHES MAXIMUM IN |
| Movement Type | MOVING COIL, PERMANENT MAGNET |
| Sensitivity Rating | 10.0 VOLTS |
| Color | UNABLE TO DECODE |
| Power Source | EXTERNAL |
| Surface Treatment | PAINT |
| Scale Selection Method | TERMINAL |
| Pointer Color | BLACK SINGLE INDICATOR SINGLE RANGE |
| Movement Suspension Method | JEWEL PIVOT BASE |
| Features Provided | ZERO ADJUSTER |
| 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.). |
| FSC Application Data | TEST SET,ELECT. EQUIP. |
| Circuit Attachment Method and Quantity | 2 SOLDER LUG AND 2 THREADED STUD |
| Measurement Range | -10.0 TO 10.0 VOLTS, DC SINGLE INDICATOR SINGLE RANGE |
| Scale Graduation Type | LINEAR SINGLE INDICATOR SINGLE RANGE |
| Nuclear Hardness Critical Feature | NONHARDENED |
| Mounting Facility Type and Quantity | 3 SCREW AND 3 UNTHREADED HOLE(S) |
| Acquisition Status | ACTIVE |
| Successor | 6625-00-151-7366 |
| HAZMAT | No |
| Shelf Life Code | 0 |
| Criticality Code | N |
| Unit of Issue | EA |
| SMR Code | JN |
| Weight | 0.0100 lbs |
| Cube | 0.0010 cu ft |
| Part Number | Manufacturer |
|---|---|
| MR34W1T1DCVVR | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| MIL-M-10304/22 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| MIL-PRF-10304/22 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
NSN 6625-01-303-4890 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 6625-01-303-4890 has 3 cross-referenced part numbers: MR34W1T1DCVVR (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-M-10304/22 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-PRF-10304/22 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).
There are 8 known substitutes for 6625-01-303-4890: 6625-00-151-7366, 6625-00-894-1523, 6625-00-193-7164 and 5 more. Verify interchangeability with system specifications before substitution.
Key specifications for MR34W1T1DCVVR: Mounting Hole Diameter: 0.150 INCHES NOMINAL IN; Furnished Items and Quantity: NUT 7; LOCKWASHER 5; FLAT WASHER 4; SEAL 1; Installation Design: PANEL; Mounting Arrangement Style: THREE HOLE/STUD BOLT CIRCLE. 30 total characteristics are documented in the Federal Logistics Information System.