The Timer,stop, cataloged under National Stock Number 6645-01-121-6952, is classified within Federal Supply Class 6645 (Time Measuring Instruments) of the Instruments and Laboratory Equipment group. Government technical data includes 3 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6645-01-121-6952 |
| Item Name | Timer,stop |
| FSC / FSG | 6645 / 66 — Time Measuring Instruments |
| Status | ACTIVE |
| Current Type | DC |
| Voltage in Volts | 25.0 OR 29.0 |
| Timer Type | ELECTRICAL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 3402331-1 | 3/2 Design control — primary reference U.S. Government activity |
| 6645PL0933983 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 6645-01-121-6952 is a Timer,stop, classified under FSC 6645, Time Measuring Instruments. Status: active.
Key specifications for 6645-01-121-6952: Overall Height: 3.500 INCHES NOMINAL IN; Current Type: DC; Voltage in Volts: 25.0 OR 29.0; Overall Width: 5.250 INCHES NOMINAL IN. 3 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 6645-01-121-6952 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.