The Voltmeter, cataloged under National Stock Number 6625-01-159-7504, is classified within Federal Supply Class 6625 (Electrical and Electronic Properties Measuring and Testing Instruments) of the Instruments and Laboratory Equipment group. Government technical data includes 20 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 6625-01-159-7504 |
| Item Name | Voltmeter |
| FSC / FSG | 6625 / 66 — Electrical and Electronic Properties Measuring and Testing Instruments |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 1 THREADED BEZEL |
| Operating Voltage Rating in Volts | 120.0 AC NOMINAL |
| Indicator Type | DIGITAL DISPLAY |
| Circuit Attachment Method and Quantity | 1 CONNECTOR, PLUG |
| Meter Depth Behind Mounting Flange | 4.000 INCHES NOMINAL IN |
| Scale Selection Method | TERMINAL |
| Meter Body Height Behind Mounting Flange | 1.670 INCHES NOMINAL IN |
| Display Digit Quantity | 3-1/2 |
| Power Source | EXTERNAL |
| Style Designator | RECTANGULAR FLUSH MTG |
| Features Provided | ZERO ADJUSTER |
| Accuracy Rating | PORM 0.05 PCT OF READING PLUS 1 COUNT SINGLE INDICATOR SINGLE RANGE |
| Display Type | LIGHT EMITTING DIODE (L.E.D.). |
| Meter Body Width Behind Mounting Flange | 3.875 INCHES NOMINAL IN |
| Frequency Rating | 60.0 HERTZ NOMINAL |
| Material | PLASTIC AND STEEL |
| Measurement Range | +0.0 TO 20.0 MILLIVOLTS SINGLE INDICATOR SINGLE RANGE |
| Nuclear Hardness Critical Feature | NONHARDENED |
| Installation Design | PANEL |
| Display Color | RED SINGLE INDICATOR SINGLE RANGE |
| 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 | J |
| Reference | Meaning |
|---|---|
| M6569 | 3/9 Design control — primary reference E I L Instruments Inc Massachusetts Br |
NSN 6625-01-159-7504 is a Voltmeter, classified under FSC 6625, Electrical and Electronic Properties Measuring and Testing Instruments. Status: active.
Key specifications for 6625-01-159-7504: Mounting Facility Type and Quantity: 1 THREADED BEZEL; Overall Height: 1.750 INCHES NOMINAL IN; Operating Voltage Rating in Volts: 120.0 AC NOMINAL; Indicator Type: DIGITAL DISPLAY. 20 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.