The Timer,sequential, cataloged under National Stock Number 6645-00-607-3198, is classified within Federal Supply Class 6645 (Time Measuring Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. The record lists 2 manufacturer part numbers 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.
| Item Name | Timer,sequential |
| FSC / FSG | 6645 — Time Measuring Instruments (FSG 66) |
| Manufacturers | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (CAGE 30003); Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (CAGE 10001) |
| Parameter | Value |
|---|---|
| NSN | 6645-00-607-3198 |
| Primary Part Number | 776791 |
| Item Name | Timer,sequential |
| FSC / FSG | 6645 / 66 — Time Measuring Instruments |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
NSN 6645-00-607-3198 is a Timer,sequential, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 6645, Time Measuring Instruments. Status: active.
NSN 6645-00-607-3198 has 2 manufacturer part numbers on file: 776791 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), 776791 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
1 possible match (shared part number, not a government interchangeability claim): 5340-01-479-5951. Verify interchangeability with system specifications before substitution.
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.