The Timer,solid State, cataloged under National Stock Number 6645-01-294-5641, is classified within Federal Supply Class 6645 (Time Measuring Instruments) of the Instruments and Laboratory Equipment group. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Timer,solid State |
| FSC / FSG | 6645 — Time Measuring Instruments (FSG 66) |
| Parameter | Value |
|---|---|
| NSN | 6645-01-294-5641 |
| Item Name | Timer,solid State |
| FSC / FSG | 6645 / 66 — Time Measuring Instruments |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Reference | Meaning |
|---|---|
| 14339 | 3/9 Design control — primary reference U.S. Government activity |
| 14339 | 5/9 Secondary reference Spx Corporation Dba Dielectric Communications Div Spx Communication Technologies |
NSN 6645-01-294-5641 is a Timer,solid State, classified under FSC 6645, Time Measuring Instruments. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 2990-01-441-1649, 6760-01-477-6461. Verify interchangeability with system specifications before substitution.
No hazard code in the DLA record (HMIC N). 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.