The Voltmeter, cataloged under National Stock Number 6625-00-643-1751, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Us Army Aviation and Missile Command. Government technical data includes 28 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 6625-00-643-1751 |
| Primary Part Number | 8890770 |
| Item Name | Voltmeter |
| FSC / FSG | 6625 / 66 — No Item Name Available |
| Manufacturer | Us Army Aviation and Missile Command |
| Status | CANCELLED |
| Movement Type | MOVING COIL, PERMANENT MAGNET |
| Installation Design | PANEL |
| Accuracy in Percent | -2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR ALL RANGES |
| Meter Body Diameter Behind Mounting Flange | 2.800 INCHES MAXIMUM IN |
| Nuclear Hardness Critical Feature | NONHARDENED |
| Environmental Protection | SHOCK RESISTANT AND VIBRATION RESISTANT AND WATER RESISTANT |
| Dial Scale Marking Color | BLACK SINGLE INDICATOR SINGLE RANGE |
| Circuit Current for Which Designed | DC |
| Pointer Color | BLACK SINGLE INDICATOR SINGLE RANGE |
| Material | STEEL |
| Color | UNABLE TO DECODE |
| Style Designator | ROUND FLUSH MTG |
| 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.). |
| Mounting Facility Type and Quantity | 3 SCREW AND 3 UNTHREADED HOLE(S) |
| Movement Suspension Method | JEWEL PIVOT BASE |
| Scale Graduation Type | NONLINEAR SINGLE INDICATOR SINGLE RANGE |
| Furnished Items and Quantity | LOCK WASHER 3; NUT 3 |
| Sensitivity Rating | 1000.0 OHMS PER VOLT |
| Measurement Range | +0.0 TO 500.0 VOLTS, DC SINGLE INDICATOR SINGLE RANGE |
| Meter Depth Behind Mounting Flange | 1.660 INCHES MAXIMUM IN |
| Dielectric Withstanding Voltage in Volts | 3000.0 |
| Power Source | EXTERNAL |
| Features Provided | MAGNETIC SHIELD AND ZERO ADJUSTER |
| Mounting Hole Diameter | 0.143 INCHES MINIMUM AND 1.157 INCHES MAXIMUM IN |
| Indicator Type | DIAL W/POINTER |
| Mounting Bolt Circle Diameter | 3.160 INCHES NOMINAL IN |
| Mounting Arrangement Style | THREE HOLE/STUD BOLT CIRCLE |
| Circuit Attachment Method and Quantity | 2 SOLDER LUG AND 2 THREADED STUD |
| 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 | 0.5000 lbs |
| Cube | 0.0463 cu ft |
| Part Number | Manufacturer |
|---|---|
| 8890770 | Us Army Aviation and Missile Command (USA) |
| HS3 | Jewell Instruments Llc (USA) |
| MIL-M-10304/11 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| M641/9-1 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| MIL-PRF-10304/11 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| MR35W500DCVV | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| MR36W500DCVVR | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| 1531 | Solartron Electronics Inc Weston Instruments Div (USA) |
| P7768864P16 | Martin Marietta Corp Electronics Laboratory (USA) |
| MR35W500DCVV | Joint Army-Navy Specifications Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
NSN 6625-00-643-1751 is a Voltmeter, manufactured by Us Army Aviation and Missile Command, classified under FSC 6625 (No Item Name Available). Status: cancelled.
NSN 6625-00-643-1751 has 10 cross-referenced part numbers: 8890770 (Us Army Aviation and Missile Command), HS3 (Jewell Instruments Llc), MIL-M-10304/11 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), M641/9-1 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-PRF-10304/11 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 5 more.
There are 12 known substitutes for 6625-00-643-1751: 6625-00-234-3130, 6625-00-102-4748, 6625-00-167-9799 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 8890770: Movement Type: MOVING COIL, PERMANENT MAGNET; Installation Design: PANEL; Accuracy in Percent: -2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR ALL RANGES; Meter Body Diameter Behind Mounting Flange: 2.800 INCHES MAXIMUM IN. 30 total characteristics are documented in the Federal Logistics Information System.
NSN 6625-00-643-1751 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.