The Timer,interval, cataloged under National Stock Number 6645-01-480-7646, 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 5 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 6645-01-480-7646 |
| Primary Part Number | D16G8CD-1 |
| Item Name | Timer,interval |
| FSC / FSG | 6645 / 66 — Time Measuring Instruments |
| Manufacturer | Electrodynamics Inc Div L3harris Electrodynamics Inc |
| Status | ACTIVE |
| Current Type | DC |
| Mounting Method | FLANGE |
| Voltage in Volts | 34.0 |
| Timer Type | ELECTRICAL |
| Operation Method | DC MOTOR |
| 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 |
|---|---|
| D16G8CD-1 PRIMARY | Electrodynamics Inc Div L3harris Electrodynamics Inc (USA) |
| Reference | Meaning |
|---|---|
| 256-7285223PN258 | 5/9 Secondary reference Naval Sea Systems Command |
| K19797-F3 | 5/9 Secondary reference Ai-Tek Instruments Llc Dba Ai-Tek Instruments Llc |
| K19797-F3 | 5/9 Secondary reference U.S. Government activity |
| 7285223 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 6645-01-480-7646 is a Timer,interval, manufactured by Electrodynamics Inc Div L3harris Electrodynamics Inc, classified under FSC 6645, Time Measuring Instruments. Status: active.
NSN 6645-01-480-7646 has 1 manufacturer part number on file: D16G8CD-1 (Electrodynamics Inc Div L3harris Electrodynamics Inc).
1 possible match (shared part number, not a government interchangeability claim): 5915-01-480-8557. Verify interchangeability with system specifications before substitution.
Key specifications for D16G8CD-1: Overall Height: 1.312 INCHES NOMINAL IN; Current Type: DC; Mounting Method: FLANGE; Voltage in Volts: 34.0. 5 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.