The Meter,time Totalizing, cataloged under National Stock Number 6645-01-366-3993, is classified within Federal Supply Class 6645 (Time Measuring Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Electrodynamics Inc Div L3harris Electrodynamics Inc. Government technical data includes 8 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. 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 | 6645-01-366-3993 |
| Primary Part Number | D16G9CE |
| Item Name | Meter,time Totalizing |
| FSC / FSG | 6645 / 66 — Time Measuring Instruments |
| Manufacturer | Electrodynamics Inc Div L3harris Electrodynamics Inc |
| Status | ACTIVE |
| Current Type | DC |
| Mounting Method | FLUSH |
| Hermetic Protection | PROVIDED |
| Mounting Flange Width | 1.312 INCHES NOMINAL IN |
| Unit Type | MOUNTED |
| Flange Height | 1.000 INCHES NOMINAL IN |
| Mounting Type | FLANGE |
| 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 |
| Part Number | Manufacturer |
|---|---|
| D16G9CE PRIMARY | Electrodynamics Inc Div L3harris Electrodynamics Inc (USA) |
NSN 6645-01-366-3993 is a Meter,time Totalizing, manufactured by Electrodynamics Inc Div L3harris Electrodynamics Inc, classified under FSC 6645, Time Measuring Instruments. Status: active.
NSN 6645-01-366-3993 has 1 manufacturer part number on file: D16G9CE (Electrodynamics Inc Div L3harris Electrodynamics Inc).
1 possible match (shared part number, not a government interchangeability claim): 6645-01-537-6994. Verify interchangeability with system specifications before substitution.
Key specifications for D16G9CE: Current Type: DC; Mounting Method: FLUSH; Hermetic Protection: PROVIDED; Mounting Flange Width: 1.312 INCHES NOMINAL IN. 8 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.