The Meter,time Totalizing, cataloged under National Stock Number 6645-01-461-4688, is classified within Federal Supply Class 6645 (Time Measuring Instruments) of the Instruments and Laboratory Equipment group. Government technical data includes 13 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6645-01-461-4688 |
| Item Name | Meter,time Totalizing |
| FSC / FSG | 6645 / 66 — Time Measuring Instruments |
| Status | ACTIVE |
| Indicator Type | DIGITAL COUNTER |
| Current Type | AC |
| Terminal Type | SOLDER |
| Scale Smallest Increment | 0.10 HOURS |
| Smallest Increment Indicated | 0.10 |
| Operating Frequency | 400.0 HERTZ NOMINAL |
| Marking Color | WHITE NUMERALS ON BLACK FOR HOURS, RED NUMERALS ON WHITE FOR TENTHS OF AN HOUR |
| Maximum Measurement | 9999.90 |
| Hermetic Protection | PROVIDED |
| Unit Type | MOUNTED |
| Mounting Type | FLANGE |
| Voltage Rating | 115.0 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 |
|---|---|
| D95G8N3A | C/1 Advisory reference — outside the item-of-supply concept Electrodynamics Inc Div L3harris Electrodynamics Inc |
| K25208-001 | 5/9 Secondary reference U.S. Government activity |
| MIL-M-7793 | 4/1 Identification reference U.S. Government activity |
| M7793/8-001A | 2/2 Government specification standardization U.S. Government activity |
| 7454760 | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
NSN 6645-01-461-4688 is a Meter,time Totalizing, classified under FSC 6645, Time Measuring Instruments. Status: active.
Key specifications for 6645-01-461-4688: Indicator Type: DIGITAL COUNTER; Current Type: AC; Terminal Type: SOLDER; Scale Smallest Increment: 0.10 HOURS. 13 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.