The Meter,time Totalizing, cataloged under National Stock Number 6645-01-264-1300, is classified within Federal Supply Class 6645 (Time Measuring Instruments) of the Instruments and Laboratory Equipment group. Government technical data includes 19 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6645-01-264-1300 |
| Item Name | Meter,time Totalizing |
| FSC / FSG | 6645 / 66 — Time Measuring Instruments |
| Status | ACTIVE |
| Electrical Movement Type | SYNCHRONOUS MOTOR |
| Indicator Type | DRUM REGISTER |
| Background Color | BLACK BACKGROUND FOR HOURS,WHITE BACKGROUND FOR TENTHS |
| Movement Type | ELECTRICAL |
| Current Type | AC |
| Mounting Method | SEMIFLUSH |
| Body Width | 2.547 INCHES MAXIMUM IN |
| Operating Frequency | 60.0 HERTZ NOMINAL |
| Marking Color | WHITE MARKINGS FOR HOURS,BLACK MARKINGS FOR TENTHS |
| Hermetic Protection | NOT PROVIDED |
| Body Length | 2.062 INCHES MAXIMUM IN |
| Mounting Flange Width | 2.844 INCHES NOMINAL IN |
| Unit Type | MOUNTED |
| Reset Feature | NOT PROVIDED |
| Flange Height | 2.844 INCHES NOMINAL IN |
| Material | PLASTIC CASE |
| Mounting Type | FLANGE |
| Voltage Rating | 24.0 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 |
|---|---|
| K42203P3 | 3/9 Design control — primary reference U.S. Government activity |
NSN 6645-01-264-1300 is a Meter,time Totalizing, classified under FSC 6645, Time Measuring Instruments. Status: active.
Key specifications for 6645-01-264-1300: Electrical Movement Type: SYNCHRONOUS MOTOR; Indicator Type: DRUM REGISTER; Background Color: BLACK BACKGROUND FOR HOURS,WHITE BACKGROUND FOR TENTHS; Movement Type: ELECTRICAL. 19 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.