The Voltmeter, cataloged under National Stock Number 6625-00-005-8577, 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 Holt Instrument Laboratories, Llc Dba Holt Instrument Division Div Holt Instrument Laboratories. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6625-00-005-8577 |
| Primary Part Number | 6A |
| Item Name | Voltmeter |
| FSC / FSG | 6625 / 66 — Electrical and Electronic Properties Measuring and Testing Instruments |
| Manufacturer | Holt Instrument Laboratories, Llc Dba Holt Instrument Division Div Holt Instrument Laboratories |
| Status | ACTIVE |
| Operating Voltage Rating in Volts | 105.0 AC MINIMUM AND 115.0 AC MAXIMUM |
| Phase | SINGLE |
| Circuit Current for Which Designed | AC |
| Scale Selection Method | SWITCH |
| Power Source | EXTERNAL |
| Style Designator | RECTANGULAR OR SQUARE |
| Frequency Rating | 50.000 HERTZ MINIMUM AND 400.000 HERTZ MAXIMUM |
| Measurement Range | +0.0 TO 1.0 VOLTS, AC SINGLE INDICATOR SECOND RANGE |
| Measurement Range | +0.0 TO 0.5 VOLTS, AC SINGLE INDICATOR FIRST RANGE |
| Measurement Range | +0.0 TO 1.5 VOLTS, AC SINGLE INDICATOR THIRD RANGE |
| Measurement Range | +0.0 TO 10.0 VOLTS, AC SINGLE INDICATOR SIXTH RANGE |
| Measurement Range | +0.0 TO 100.0 VOLTS, AC SINGLE INDICATOR TENTH RANGE |
| Measurement Range | +0.0 TO 15.0 VOLTS, AC SINGLE INDICATOR SEVENTH RANGE |
| Measurement Range | +0.0 TO 3.0 VOLTS, AC SINGLE INDICATOR FOURTH RANGE |
| Measurement Range | +0.0 TO 30.0 VOLTS, AC SINGLE INDICATOR EIGHTH RANGE |
| Measurement Range | +0.0 TO 5.0 VOLTS, AC SINGLE INDICATOR FIFTH RANGE |
| Measurement Range | +0.0 TO 50.0 VOLTS, AC SINGLE INDICATOR NINTH RANGE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 6A PRIMARY | Holt Instrument Laboratories, Llc Dba Holt Instrument Division Div Holt Instrument Laboratories (USA) |
NSN 6625-00-005-8577 is a Voltmeter, manufactured by Holt Instrument Laboratories, Llc Dba Holt Instrument Division Div Holt Instrument Laboratories, classified under FSC 6625, Electrical and Electronic Properties Measuring and Testing Instruments. Status: active.
NSN 6625-00-005-8577 has 1 manufacturer part number on file: 6A (Holt Instrument Laboratories, Llc Dba Holt Instrument Division Div Holt Instrument Laboratories).
Key specifications for 6A: Overall Height: 6.500 INCHES NOMINAL IN; Operating Voltage Rating in Volts: 105.0 AC MINIMUM AND 115.0 AC MAXIMUM; Phase: SINGLE; Circuit Current for Which Designed: AC. 17 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.