The Timer,interval, cataloged under National Stock Number 6645-01-280-3546, is classified within Federal Supply Class 6645 (Time Measuring Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Precision Scientific Petroleum Instruments Co. Government technical data includes 4 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 | 6645-01-280-3546 |
| Primary Part Number | 69240 |
| Item Name | Timer,interval |
| FSC / FSG | 6645 / 66 — Time Measuring Instruments |
| Manufacturer | Precision Scientific Petroleum Instruments Co |
| Status | ACTIVE |
| Frequency in Hertz | 60.0 |
| Current Type | AC |
| Voltage in Volts | 120.0 |
| 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 |
|---|---|
| 69240 PRIMARY | Precision Scientific Petroleum Instruments Co (USA) |
NSN 6645-01-280-3546 is a Timer,interval, manufactured by Precision Scientific Petroleum Instruments Co, classified under FSC 6645, Time Measuring Instruments. Status: active.
NSN 6645-01-280-3546 has 1 manufacturer part number on file: 69240 (Precision Scientific Petroleum Instruments Co).
1 possible match (shared part number, not a government interchangeability claim): 5330-01-312-0193. Verify interchangeability with system specifications before substitution.
Key specifications for 69240: Frequency in Hertz: 60.0; Current Type: AC; Voltage in Volts: 120.0; Timer Type: ELECTRICAL. 4 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.