The Time Signal Set, cataloged under National Stock Number 6625-01-421-4090, 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 1 specification, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 6625-01-421-4090 |
| Item Name | Time Signal Set |
| FSC / FSG | 6625 / 66 — Electrical and Electronic Properties Measuring and Testing Instruments |
| Status | ACTIVE |
| Timer Type | ELECTRICAL |
| 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 | VS |
| Reference | Meaning |
|---|---|
| CI HCJ03/3140B | 3/9 Design control — primary reference Space and Missile Test Center |
NSN 6625-01-421-4090 is a Time Signal Set, classified under FSC 6625, Electrical and Electronic Properties Measuring and Testing Instruments. Status: active.
Key specifications for 6625-01-421-4090: Timer Type: ELECTRICAL; End Item Identification: THE PILLAR POINT TIMING SYSTEM PROVIDES BASIC TIMING FOR THE LOCAL TELEMETRY SYSTEMS, TRACKING RADARS AND DATA ACQUISITION/HANDLING SYSTEMS. THE PRIMARY TIMING EQUIPMENT IS THE MODEL 8672. TWO CESIUM BEAM FREQUENCY STANDARDS PROVIDE THE TIME BASE FREQUENCY. WESTERN RANGE TIMING SYSTEM. 1 specification is 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.