The Meter,time Totalizing, cataloged under National Stock Number 6645-01-145-7286, is classified within Federal Supply Class 6645 (Time Measuring Instruments) of the Instruments and Laboratory Equipment group. Government technical data includes 22 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 6645-01-145-7286 |
| Item Name | Meter,time Totalizing |
| FSC / FSG | 6645 / 66 — Time Measuring Instruments |
| Status | ACTIVE |
| Body Diameter | 0.675 INCHES NOMINAL IN |
| Indicator Type | DRUM REGISTER |
| Terminal Quantity | 2 |
| Background Color | WHITE BACKGROUND FOR TENTHS WHEEL BLACK BACKGROUND FOR HOUR WHEELS |
| Movement Type | ELECTRICAL |
| Current Type | DC |
| Terminal Type | HOOK |
| Mounting Method | SEMIFLUSH |
| Scale Range | +0.0 TO 60.0 HOUR |
| Smallest Increment Indicated | 0.10 |
| Marking Color | RED NUMERALS FOR TENTHS WHITE NUMERALS FOR HOURS |
| Maximum Measurement | 999.90 |
| Hermetic Protection | PROVIDED |
| Body Length | 2.000 INCHES MINIMUM AND 2.062 INCHES MAXIMUM IN |
| Unit Type | MOUNTED |
| Reset Feature | NOT PROVIDED |
| Mounting Configuration | ONE 0.750-32N LOCKNUT WITH O RING SEAL |
| Mounting Flange Diameter | 1.250 INCHES NOMINAL IN |
| Material | STEEL CORROSION RESISTING CASE |
| Mounting Type | FLANGE |
| Voltage Rating | 23.0 VOLTS MINIMUM AND 29.0 VOLTS MAXIMUM |
| 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 |
|---|---|
| K19782-J | 3/9 Design control — primary reference U.S. Government activity |
| KT19722J0ETJ | 5/9 Secondary reference U.S. Government activity |
NSN 6645-01-145-7286 is a Meter,time Totalizing, classified under FSC 6645, Time Measuring Instruments. Status: active.
Key specifications for 6645-01-145-7286: Body Diameter: 0.675 INCHES NOMINAL IN; Indicator Type: DRUM REGISTER; Terminal Quantity: 2; Background Color: WHITE BACKGROUND FOR TENTHS WHEEL BLACK BACKGROUND FOR HOUR WHEELS. 22 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.