The Meter,time Totalizing, cataloged under National Stock Number 6645-01-332-8971, is classified within Federal Supply Class 6645 (Time Measuring Instruments) of the Instruments and Laboratory Equipment group. Government technical data includes 21 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 6645-01-332-8971 |
| Item Name | Meter,time Totalizing |
| FSC / FSG | 6645 / 66 — Time Measuring Instruments |
| Status | ACTIVE |
| Electrical Movement Type | MOTOR |
| Indicator Type | DRUM REGISTER |
| Terminal Quantity | 3 |
| Background Color | WHITE |
| Movement Type | ELECTRICAL |
| Current Type | DC |
| Terminal Type | WIRE HOOK |
| Mounting Method | SEMIFLUSH |
| Smallest Increment Indicated | 1.00 |
| Marking Color | BLACK |
| Maximum Measurement | 9999.00 |
| Hermetic Protection | PROVIDED |
| Mounting Flange Width | 0.870 INCHES NOMINAL IN |
| Unit Type | MOUNTED |
| Reset Feature | NOT PROVIDED |
| Mounting Configuration | TWO 0.125 IN. DIA MTG HOLES ON 1.000 IN. MTG CTR IN |
| Flange Height | 0.060 INCHES NOMINAL IN |
| Material | ALUMINUM OR STEEL CASE |
| Mounting Type | FLANGE |
| Voltage Rating | 28.0 VOLTS NOMINAL |
| Measurement Unit | HOURS |
| 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 |
|---|---|
| MIL-DTL-7793 | 4/1 Identification reference U.S. Government activity |
| MIL-M-7793 | 5/9 Secondary reference U.S. Government activity |
| MS21341B-16 | 2/2 Government specification standardization U.S. Government activity |
NSN 6645-01-332-8971 is a Meter,time Totalizing, classified under FSC 6645, Time Measuring Instruments. Status: active.
Key specifications for 6645-01-332-8971: Electrical Movement Type: MOTOR; Overall Height: 0.500 INCHES NOMINAL IN; Indicator Type: DRUM REGISTER; Terminal Quantity: 3. 21 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.