The Voltmeter, cataloged under National Stock Number 6625-00-079-0573, 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 12 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6625-00-079-0573 |
| Item Name | Voltmeter |
| FSC / FSG | 6625 / 66 — Electrical and Electronic Properties Measuring and Testing Instruments |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 4 THREADED HOLE(S) |
| Phase | SINGLE |
| Mounting Arrangement Style | FOUR HOLE/STUD RECTANGULAR/SQUARE |
| Accuracy in Percent | -2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR ALL RANGES |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 6.000 INCHES NOMINAL IN |
| Power Source | EXTERNAL |
| Mounting Hole Diameter | 0.138 INCHES NOMINAL IN |
| Scale Division Quantity | 10 SINGLE INDICATOR SINGLE RANGE |
| Surface Treatment | ENAMEL |
| Frequency Rating | 60.000 HERTZ NOMINAL |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 3.000 INCHES NOMINAL IN |
| Measurement Range | +0.0 TO 300.0 VOLTS, AC SINGLE INDICATOR SINGLE RANGE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | F |
| Reference | Meaning |
|---|---|
| 103-2217 | 3/9 Design control — primary reference Metermaster Inc Metermod Div |
| 103-2217 | C/1 Advisory reference — outside the item-of-supply concept Custom Metering Company Inc |
| 103-2217 | 5/9 Secondary reference Trio Laboratories Inc |
| 830785 | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 6625-00-079-0573 is a Voltmeter, classified under FSC 6625, Electrical and Electronic Properties Measuring and Testing Instruments. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 4920-01-589-1592. Verify interchangeability with system specifications before substitution.
Key specifications for 6625-00-079-0573: Mounting Facility Type and Quantity: 4 THREADED HOLE(S); Phase: SINGLE; Mounting Arrangement Style: FOUR HOLE/STUD RECTANGULAR/SQUARE; Accuracy in Percent: -2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR ALL RANGES. 12 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.