The Meter,time Totalizing, cataloged under National Stock Number 6645-01-142-9769, is classified within Federal Supply Class 6645 (Time Measuring Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Keysight Technologies Inc. Government technical data includes 6 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6645-01-142-9769 |
| Primary Part Number | 1010-0052 |
| Item Name | Meter,time Totalizing |
| FSC / FSG | 6645 / 66 — Time Measuring Instruments |
| Manufacturer | Keysight Technologies Inc |
| Status | ACTIVE |
| Electrical Movement Type | SYNCHRONOUS MOTOR |
| Movement Type | ELECTRICAL |
| Current Type | AC |
| Unit Type | MOUNTED |
| Material | PLASTIC CASE |
| Voltage Rating | 24.0 VOLTS MAXIMUM |
| 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 |
|---|---|
| 1010-0052 PRIMARY | Keysight Technologies Inc (USA) |
| Reference | Meaning |
|---|---|
| 1010-0052 | 3/9 Design control — primary reference Keysight Technologies, Inc. |
| 1010-0052 | 5/9 Secondary reference Hewlett-Packard Company Dba HP |
| K42203-P3 | 5/9 Secondary reference Richards Electric Supply Co., Inc. |
NSN 6645-01-142-9769 is a Meter,time Totalizing, manufactured by Keysight Technologies Inc, classified under FSC 6645, Time Measuring Instruments. Status: active.
NSN 6645-01-142-9769 has 1 manufacturer part number on file: 1010-0052 (Keysight Technologies Inc).
1 possible match (shared part number, not a government interchangeability claim): 6645-01-264-1300. Verify interchangeability with system specifications before substitution.
Key specifications for 1010-0052: Electrical Movement Type: SYNCHRONOUS MOTOR; Movement Type: ELECTRICAL; Current Type: AC; Unit Type: MOUNTED. 6 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.