The Frequency Reference and Electron, cataloged under National Stock Number 6625-01-646-3640, 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 Safran Trusted 4d Inc.. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6625-01-646-3640 |
| Primary Part Number | 1200-023 |
| Item Name | Frequency Reference and Electron |
| FSC / FSG | 6625 / 66 — Electrical and Electronic Properties Measuring and Testing Instruments |
| Manufacturer | Safran Trusted 4d Inc. |
| Status | ACTIVE |
| Voltage in Volts and Current Type | 100.0 AC OR 240.0 AC |
| Wattage Rating | 40.0 WATTS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 1200-023 PRIMARY | Safran Trusted 4d Inc. (USA) |
| VCH115497P01 | Vitrociset Spa (ITA) |
NSN 6625-01-646-3640 is a Frequency Reference and Electron, manufactured by Safran Trusted 4d Inc., classified under FSC 6625, Electrical and Electronic Properties Measuring and Testing Instruments. Status: active.
NSN 6625-01-646-3640 has 2 manufacturer part numbers on file: 1200-023 (Safran Trusted 4d Inc.), VCH115497P01 (Vitrociset Spa).
Key specifications for 1200-023: Overall Height: 1.72 INCHES NOMINAL IN; Voltage in Volts and Current Type: 100.0 AC OR 240.0 AC; Overall Width: 16.75 INCHES NOMINAL IN; Wattage Rating: 40.0 WATTS. 2 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.
NSN 6625-01-646-3640 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.