The Clock,wall, cataloged under National Stock Number 6645-01-421-6901, is classified within Federal Supply Class 6645 (Time Measuring Instruments) of the Instruments and Laboratory Equipment group. Government technical data includes 8 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6645-01-421-6901 |
| Item Name | Clock,wall |
| FSC / FSG | 6645 / 66 — Time Measuring Instruments |
| Status | ACTIVE |
| Current Type | DC |
| Mounting Method | FLUSH |
| Supplementary Features | NIB SLIMLINE CLOCKS;QUARTZ CRYSTAL-BATTERY OPERATED |
| Increment in Hours | 12.000 |
| Outside Diameter | 300.0 MILLIMETERS NOMINAL MM |
| Nondefinitive Spec/std Data | 2 SIZE AND A TYPE |
| Color | GRAY, STONE, RAL 7030 |
| Material | PLASTIC CASE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| A-A-2883 | 5/9 Secondary reference Federal Commercial Item Description Promulgated by General Services Administration Washington DC |
| 6645-01-421-6901 | 3/2 Design control — primary reference U.S. Government activity |
| A-A-2883 SZ2TYA | 5/9 Secondary reference U.S. Government activity |
NSN 6645-01-421-6901 is a Clock,wall, classified under FSC 6645, Time Measuring Instruments. Status: active.
Key specifications for 6645-01-421-6901: Current Type: DC; Mounting Method: FLUSH; Supplementary Features: NIB SLIMLINE CLOCKS;QUARTZ CRYSTAL-BATTERY OPERATED; Increment in Hours: 12.000. 8 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.
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.