The Voltmeter, cataloged under National Stock Number 6625-00-649-4012, 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 18 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6625-00-649-4012 |
| Item Name | Voltmeter |
| FSC / FSG | 6625 / 66 — Electrical and Electronic Properties Measuring and Testing Instruments |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 4 THREADED STUD(S) |
| Mounting Arrangement Style | FOUR HOLE/STUD RECTANGULAR/SQUARE |
| Circuit Attachment Method and Quantity | 4 THREADED STUD |
| Meter Depth Behind Mounting Flange | 3.850 INCHES NOMINAL IN |
| Circuit Current for Which Designed | DC |
| Accuracy in Percent | -1.0 TO 1.0 AT FULL SCALE SINGLE INDICATOR ALL RANGES |
| Meter Body Height Behind Mounting Flange | 5.750 INCHES NOMINAL IN |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 6.375 INCHES NOMINAL IN |
| Mounting Stud Diameter | 0.164 INCHES NOMINAL IN |
| Style Designator | RECTANGULAR FLUSH MTG |
| Scale Division Quantity | 75 SINGLE INDICATOR SINGLE RANGE |
| Meter Body Width Behind Mounting Flange | 6.000 INCHES NOMINAL IN |
| Color | UNABLE TO DECODE |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 6.125 INCHES NOMINAL IN |
| Dial Scale Marking Color | BLACK SINGLE INDICATOR SINGLE RANGE |
| Sensitivity Rating | 20000.0 OHMS PER VOLT |
| Measurement Range | +0.0 TO 75.0 VOLTS, DC SINGLE INDICATOR SINGLE RANGE |
| Installation Design | PANEL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 302000 | 3/9 Design control — primary reference Solartron Electronics Inc Weston Instruments Div |
NSN 6625-00-649-4012 is a Voltmeter, classified under FSC 6625, Electrical and Electronic Properties Measuring and Testing Instruments. Status: active.
3 possible matches (shared part number, not a government interchangeability claim): 6210-01-015-4995, 4240-01-365-9539, 4930-01-517-7009. Verify interchangeability with system specifications before substitution.
Key specifications for 6625-00-649-4012: Mounting Facility Type and Quantity: 4 THREADED STUD(S); Overall Height: 6.630 INCHES NOMINAL IN; Mounting Arrangement Style: FOUR HOLE/STUD RECTANGULAR/SQUARE; Circuit Attachment Method and Quantity: 4 THREADED STUD. 18 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.