The Voltage Standard, cataloged under National Stock Number 6625-01-181-6063, 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 8 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 6625-01-181-6063 |
| Item Name | Voltage Standard |
| FSC / FSG | 6625 / 66 — Electrical and Electronic Properties Measuring and Testing Instruments |
| Status | ACTIVE |
| Warm-Up Time for Maximum Accuracy in Minutes | 120.0 |
| Phase | SINGLE |
| AC Voltage Rating | 100.0 VOLTS NOMINAL AND 110.0 VOLTS NOMINAL AND 115.0 VOLTS NOMINAL AND 120.0 VOLTS NOMINAL AND 200.0 VOLTS NOMINAL AND 220.0 VOLTS NOMINAL AND 230.0 VOLTS NOMINAL AND 240.0 VOLTS NOMINAL |
| Electromotive Force Production Method | ELECTRONIC |
| Output Voltage Rating | 0.0 KILOVOLTS MINIMUM AND 1.1 KILOVOLTS MAXIMUM |
| Unit Type | MOUNTED |
| Frequency Rating | 50.0 HERTZ NOMINAL AND 60.0 HERTZ NOMINAL |
| Unpackaged Unit Weight | 66.400 POUNDS LBS |
| 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 |
|---|---|
| 5440A | 3/2 Design control — primary reference U.S. Government activity |
NSN 6625-01-181-6063 is a Voltage Standard, 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): 4820-01-313-4540. Verify interchangeability with system specifications before substitution.
Key specifications for 6625-01-181-6063: Overall Height: 9.400 INCHES NOMINAL IN; Warm-Up Time for Maximum Accuracy in Minutes: 120.0; Phase: SINGLE; AC Voltage Rating: 100.0 VOLTS NOMINAL AND 110.0 VOLTS NOMINAL AND 115.0 VOLTS NOMINAL AND 120.0 VOLTS NOMINAL AND 200.0 VOLTS NOMINAL AND 220.0 VOLTS NOMINAL AND 230.0 VOLTS NOMINAL AND 240.0 VOLTS NOMINAL. 8 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.