The Meter,time Totalizing, cataloged under National Stock Number 6645-01-616-5820, is classified within Federal Supply Class 6645 (Time Measuring Instruments) of the Instruments and Laboratory Equipment group. Government technical data includes 18 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 6645-01-616-5820 |
| Item Name | Meter,time Totalizing |
| FSC / FSG | 6645 / 66 — Time Measuring Instruments |
| Status | ACTIVE |
| Indicator Type | METER |
| Terminal Quantity | 2 |
| Current Type | AC |
| Terminal Type | SPADE |
| Mounting Method | SEMIFLUSH |
| Supplementary Features | PANEL CUTOUT 1.45 INCH X 0.95 INCH;RECTANGULAR OPENING IN |
| Smallest Increment Indicated | 0.1 |
| Inscription Color | WHITE |
| Operating Frequency | 50.0 HERTZ MINIMUM AND 60.0 HERTZ MAXIMUM |
| Inscription Background Color | BLACK |
| Maximum Measurement | 99999.9 |
| Mounting Flange Width | 2.05 INCHES NOMINAL IN |
| Unit Type | MOUNTED |
| Mounting Configuration | 2 SCREW STANDARD |
| Flange Height | 0.1 INCHES NOMINAL IN |
| Mounting Type | PANEL |
| Voltage Rating | 90.0 VOLTS MINIMUM AND 264.0 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 |
|---|---|
| 28101 | 3/2 Design control — primary reference U.S. Government activity |
NSN 6645-01-616-5820 is a Meter,time Totalizing, classified under FSC 6645, Time Measuring Instruments. Status: active.
Key specifications for 6645-01-616-5820: Overall Height: 2.20 INCHES NOMINAL IN; Indicator Type: METER; Terminal Quantity: 2; Current Type: AC. 18 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.