The Frequency Reference and Electron, cataloged under National Stock Number 6625-01-548-8261, 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 Precise Time & Frequency, Llc Div Precise Time and Frequency, Llc. Government technical data includes 3 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 | 6625-01-548-8261 |
| Primary Part Number | 1203C |
| Item Name | Frequency Reference and Electron |
| FSC / FSG | 6625 / 66 — Electrical and Electronic Properties Measuring and Testing Instruments |
| Manufacturer | Precise Time & Frequency, Llc Div Precise Time and Frequency, Llc |
| Status | ACTIVE |
| Voltage in Volts and Current Type | 90.0 AC AND 264.0 AC |
| Reference Data and Literature | T.0 51C3-1-143-3, TM 33A1-2-328-1 |
| Wattage Rating | 9.999 WATTS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Shelf Life Code | 0 |
| Criticality Code | X |
| Unit of Issue | EA |
| Acquisition advice code | VT |
| Weight | 25.0000 lbs |
| Cube | 2.7222 cu ft |
| Part Number | Manufacturer |
|---|---|
| 1203C PRIMARY | Precise Time & Frequency, Llc Div Precise Time and Frequency, Llc (USA) |
NSN 6625-01-548-8261 is a Frequency Reference and Electron, manufactured by Precise Time & Frequency, Llc Div Precise Time and Frequency, Llc, classified under FSC 6625, Electrical and Electronic Properties Measuring and Testing Instruments. Status: active.
NSN 6625-01-548-8261 has 1 manufacturer part number on file: 1203C (Precise Time & Frequency, Llc Div Precise Time and Frequency, Llc).
Key specifications for 1203C: Overall Height: 1.750 INCHES NOMINAL IN; Voltage in Volts and Current Type: 90.0 AC AND 264.0 AC; Reference Data and Literature: T.0 51C3-1-143-3, TM 33A1-2-328-1; Overall Length: 19.000 INCHES NOMINAL IN. 3 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 6625-01-548-8261 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.