The Current-Voltage Standard, cataloged under National Stock Number 6625-01-121-4797, 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 Valhalla Scientific. Government technical data includes 8 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. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 6625-01-121-4797 |
| Primary Part Number | 2555A |
| Item Name | Current-Voltage Standard |
| FSC / FSG | 6625 / 66 — Electrical and Electronic Properties Measuring and Testing Instruments |
| Manufacturer | Valhalla Scientific |
| Status | ACTIVE |
| Phase | SINGLE |
| AC Voltage Rating | 115.0 VOLTS NOMINAL AND 230.0 VOLTS NOMINAL |
| Output Current Rating | 55.0 AMPERES NOMINAL |
| Electromotive Force Production Method | ELECTRONIC |
| Output Voltage Rating | 7.0 VOLTS NOMINAL |
| Unit Type | ENCASED |
| Frequency Rating | 50.0 HERTZ MINIMUM AND 60.0 HERTZ MAXIMUM |
| Unpackaged Unit Weight | 45.0 KILOGRAMS KG |
| 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 | JS |
| Weight | 70.0000 lbs |
| Cube | 10.5556 cu ft |
| Part Number | Manufacturer |
|---|---|
| 2555A PRIMARY | Valhalla Scientific (USA) |
NSN 6625-01-121-4797 is a Current-Voltage Standard, manufactured by Valhalla Scientific, classified under FSC 6625, Electrical and Electronic Properties Measuring and Testing Instruments. Status: active.
NSN 6625-01-121-4797 has 1 manufacturer part number on file: 2555A (Valhalla Scientific).
Key specifications for 2555A: Phase: SINGLE; AC Voltage Rating: 115.0 VOLTS NOMINAL AND 230.0 VOLTS NOMINAL; Output Current Rating: 55.0 AMPERES NOMINAL; Electromotive Force Production Method: ELECTRONIC. 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.