The Meter,time Totalizing, cataloged under National Stock Number 6645-01-140-0868, is classified within Federal Supply Class 6645 (Time Measuring Instruments) of the Instruments and Laboratory Equipment group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6645-01-140-0868 |
| Item Name | Meter,time Totalizing |
| FSC / FSG | 6645 / 66 — Time Measuring Instruments |
| Status | ACTIVE |
| Indicator Type | SCALE |
| Terminal Quantity | 3 |
| Movement Type | ELECTRICAL |
| Current Type | DC |
| Terminal Type | TURRET |
| Body Width | 0.036 INCHES NOMINAL IN |
| Hermetic Protection | NOT PROVIDED |
| Body Length | 1.440 INCHES NOMINAL IN |
| Material | PLASTIC CASE |
| Voltage Rating | 28.0 VOLTS NOMINAL |
| 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 |
|---|---|
| 620-NTH-28VDC-10000 HR | 3/9 Design control — primary reference Powers Holdings Inc Dba Fire Brick Engineers Co Div Curtis Industries |
| 23165 | 5/9 Secondary reference Smiths Aerospace, Inc., Electronic Systems-Grand Rapids |
NSN 6645-01-140-0868 is a Meter,time Totalizing, classified under FSC 6645, Time Measuring Instruments. Status: active.
3 possible matches (shared part number, not a government interchangeability claim): 3110-01-315-9956, 5110-01-526-3548, 5120-01-601-5620. Verify interchangeability with system specifications before substitution.
Key specifications for 6645-01-140-0868: Indicator Type: SCALE; Terminal Quantity: 3; Movement Type: ELECTRICAL; Current Type: DC. 10 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.