The Meter,time Totalizing, cataloged under National Stock Number 6645-00-079-4087, is classified within Federal Supply Class 6645 (Time Measuring Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Ge Aviation Systems Llc. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6645-00-079-4087 |
| Primary Part Number | 137978-02 |
| Item Name | Meter,time Totalizing |
| FSC / FSG | 6645 / 66 — Time Measuring Instruments |
| Manufacturer | Ge Aviation Systems Llc |
| Status | ACTIVE |
| Indicator Type | DRUM REGISTER |
| Terminal Quantity | 3 |
| Background Color | BLACK |
| Movement Type | ELECTRICAL |
| Current Type | AC |
| Terminal Type | SOLDER STUD |
| Overall Diameter | 0.680 INCHES NOMINAL IN |
| Smallest Increment Indicated | 1.00 |
| Operating Frequency | 400.0 HERTZ NOMINAL |
| Marking Color | WHITE NUMERALS |
| Maximum Measurement | 9999.00 |
| Hermetic Protection | PROVIDED |
| Unit Type | MOUNTED |
| Reset Feature | NOT PROVIDED |
| Material | ALUMINUM OR STEEL CASE |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 137978-02 PRIMARY | Ge Aviation Systems Llc (USA) |
NSN 6645-00-079-4087 is a Meter,time Totalizing, manufactured by Ge Aviation Systems Llc, classified under FSC 6645, Time Measuring Instruments. Status: active.
NSN 6645-00-079-4087 has 1 manufacturer part number on file: 137978-02 (Ge Aviation Systems Llc).
Key specifications for 137978-02: Indicator Type: DRUM REGISTER; Terminal Quantity: 3; Background Color: BLACK; Movement Type: ELECTRICAL. 17 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.