The Timer,sequential, cataloged under National Stock Number 6645-01-561-3516, is classified within Federal Supply Class 6645 (Time Measuring Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Plainville Electrical Products Company, the Dba Plainville Electrical Products. Government technical data includes 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6645-01-561-3516 |
| Primary Part Number | 1758 PC15 |
| Item Name | Timer,sequential |
| FSC / FSG | 6645 / 66 — Time Measuring Instruments |
| Manufacturer | Plainville Electrical Products Company, the Dba Plainville Electrical Products |
| Status | ACTIVE |
| Current Type | AC |
| Timer Type | ELECTRICAL |
| 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 |
|---|---|
| 1758 PC15 PRIMARY | Plainville Electrical Products Company, the Dba Plainville Electrical Products (USA) |
| Reference | Meaning |
|---|---|
| RE9TA31MW | 5/9 Secondary reference Schneider Electric Co |
NSN 6645-01-561-3516 is a Timer,sequential, manufactured by Plainville Electrical Products Company, the Dba Plainville Electrical Products, classified under FSC 6645, Time Measuring Instruments. Status: active.
NSN 6645-01-561-3516 has 1 manufacturer part number on file: 1758 PC15 (Plainville Electrical Products Company, the Dba Plainville Electrical Products).
Key specifications for 1758 PC15: Current Type: AC; Timer Type: ELECTRICAL; Special Features: 24-240 VAC,OFF-DELAY,SOLID STATE OUTPUT VAC; Part Name Assigned by Controlling Agency: TIMER,ON-DELAY. 2 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.