The Voltmeter, cataloged under National Stock Number 6625-01-210-6520, is classified within Federal Supply Class 6625 (Electrical and Electronic Properties Measuring and Testing Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Phaostron Instrument and Electronic Company. Government technical data includes 28 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 6625-01-210-6520 |
| Primary Part Number | 628-19415 |
| Item Name | Voltmeter |
| FSC / FSG | 6625 / 66 — Electrical and Electronic Properties Measuring and Testing Instruments |
| Manufacturer | Phaostron Instrument and Electronic Company |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 3 SCREW AND 3 UNTHREADED HOLE(S) |
| Meter Body Diameter Behind Mounting Flange | 2.210 INCHES MAXIMUM IN |
| FSC Application Data | TEST SET,ELECT. EQUIP. |
| Indicator Type | DIAL W/POINTER |
| Mounting Arrangement Style | THREE HOLE/STUD BOLT CIRCLE |
| Circuit Attachment Method and Quantity | 2 SOLDER LUG AND 2 THREADED STUD |
| Meter Depth Behind Mounting Flange | 1.600 INCHES MAXIMUM IN |
| Circuit Current for Which Designed | DC |
| Movement Type | MOVING COIL, PERMANENT MAGNET |
| Accuracy in Percent | -2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE |
| Overall Diameter | 2.695 INCHES MAXIMUM IN |
| Supplementary Features | RESPONSE: INDICATOR POINTER SHALL BE LINEAR AND FREE FROM JITTER 2.5 SECONDS MAXIMUM |
| Power Source | EXTERNAL |
| Style Designator | ROUND FLUSH MTG |
| Mounting Hole Diameter | 0.125 INCHES NOMINAL IN |
| Scale Division Quantity | 10 SINGLE INDICATOR SINGLE RANGE |
| Movement Suspension Method | JEWEL PIVOT BASE |
| Mounting Bolt Circle Diameter | 2.440 INCHES NOMINAL IN |
| Color | UNABLE TO DECODE |
| Pointer Color | BLACK SINGLE INDICATOR SINGLE RANGE |
| Environmental Protection | DUSTPROOF AND EXPLOSION PROOF AND HEAT RESISTANT AND HUMIDITY PROOF AND SAND PROOF AND SHOCK PROOF AND WATERPROOF |
| Functional Description | MEASURES ELECTRICAL POTENTIAL |
| Dial Scale Marking Color | BLACK SINGLE INDICATOR SINGLE RANGE |
| Special Markings | GREEN BAND FROM 22 TO 32 VOLTS |
| Sensitivity Rating | 50.0 VOLTS |
| Scale Graduation Type | LINEAR SINGLE INDICATOR SINGLE RANGE |
| Measurement Range | +0.0 TO 50.0 VOLTS, DC SINGLE INDICATOR SINGLE RANGE |
| Furnished Items and Quantity | MTG HDW 3; TERM. HDW 2 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Shelf Life Code | 0 |
| Criticality Code | X |
| Unit of Issue | EA |
| Acquisition advice code | ZN |
| Weight | 0.6200 lbs |
| Cube | 0.0313 cu ft |
| Part Number | Manufacturer |
|---|---|
| 628-19415 PRIMARY | Phaostron Instrument and Electronic Company (USA) |
| 83-14907 | Department of Defense Project Manager-Mobile Electric Power (USA) |
| 26.5998 | Ideal Precision Meter Co Dba Ideal Precision Meter Co (USA) |
| 83-14907 | Bae Systems Controls Inc. (USA) |
| Reference | Meaning |
|---|---|
| 83-14907 | 7/2 Vendor item drawing reference U.S. Government activity |
| 83-14907 | C/1 Advisory reference — outside the item-of-supply concept Drs Environmental Systems Inc |
| 83-14907 | 5/9 Secondary reference U.S. Government activity |
NSN 6625-01-210-6520 is a Voltmeter, manufactured by Phaostron Instrument and Electronic Company, classified under FSC 6625, Electrical and Electronic Properties Measuring and Testing Instruments. Status: active.
NSN 6625-01-210-6520 has 4 manufacturer part numbers on file: 628-19415 (Phaostron Instrument and Electronic Company), 83-14907 (Department of Defense Project Manager-Mobile Electric Power), 26.5998 (Ideal Precision Meter Co Dba Ideal Precision Meter Co), 83-14907 (Bae Systems Controls Inc.).
Key specifications for 628-19415: Mounting Facility Type and Quantity: 3 SCREW AND 3 UNTHREADED HOLE(S); Meter Body Diameter Behind Mounting Flange: 2.210 INCHES MAXIMUM IN; FSC Application Data: TEST SET,ELECT. EQUIP.; Indicator Type: DIAL W/POINTER. 28 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.