The Clock,wall, cataloged under National Stock Number 6645-01-540-7989, is classified within Federal Supply Class 6645 (Time Measuring Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is W.w. Grainger, Inc. Div Government Sales Division. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6645-01-540-7989 |
| Primary Part Number | 2CHZ4 |
| Item Name | Clock,wall |
| FSC / FSG | 6645 / 66 — Time Measuring Instruments |
| Manufacturer | W.w. Grainger, Inc. Div Government Sales Division |
| Status | ACTIVE |
| Frequency in Hertz | 60.0 |
| Movement Type | ELECTRICAL |
| Current Type | AC |
| Second Hand Type | SWEEP |
| Voltage in Volts | 115.0 |
| Shape | ROUND |
| Outside Diameter | 14.000 INCHES NOMINAL IN |
| Dial Quantity | 1 |
| Inscription Background Color | BLACK |
| Second Hand Color | RED |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 2CHZ4 | W.w. Grainger, Inc. Div Government Sales Division (USA) |
| 5H351 | W.w. Grainger, Inc. Div Government Sales Division (USA) |
| Reference | Meaning |
|---|---|
| 2CHZ4 | 3/9 Design control — primary reference Washington Packaging Supply, Inc. Dba Washington Procurement Supply Div Washington Procurement Supply |
| 5H350 | 5/9 Secondary reference W.w. Grainger, Inc. Div Government Sales Division |
NSN 6645-01-540-7989 is a Clock,wall, manufactured by W.w. Grainger, Inc. Div Government Sales Division, classified under FSC 6645, Time Measuring Instruments. Status: active.
NSN 6645-01-540-7989 has 2 manufacturer part numbers on file: 2CHZ4 (W.w. Grainger, Inc. Div Government Sales Division), 5H351 (W.w. Grainger, Inc. Div Government Sales Division).
Key specifications for 2CHZ4: Frequency in Hertz: 60.0; Movement Type: ELECTRICAL; Current Type: AC; Second Hand Type: SWEEP. 11 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.