The Timer,interval, cataloged under National Stock Number 6645-01-650-1860, is classified within Federal Supply Class 6645 (Time Measuring Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Icm Controls Corp. Dba Icm Div International Controls and Measurements Corp. Government technical data includes 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 6645-01-650-1860 |
| Primary Part Number | ICM251 |
| Item Name | Timer,interval |
| FSC / FSG | 6645 / 66 — Time Measuring Instruments |
| Manufacturer | Icm Controls Corp. Dba Icm Div International Controls and Measurements Corp |
| Status | ACTIVE |
| Unpackaged Unit Weight | 0.2 OUNCES NOMINAL OZ |
| Current Type | AC |
| Control Type | RELAY |
| Voltage in Volts | 240.0 |
| Timer Type | ELECTRICAL |
| Current Rating | 10.0 AMPERES OR 20.0 AMPERES |
| Furnished Items | AUTOMATIC ELECTRIC CIRCUIT CONTROL SWITCH |
| 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 |
|---|---|
| ICM251 PRIMARY | Icm Controls Corp. Dba Icm Div International Controls and Measurements Corp (USA) |
| Reference | Meaning |
|---|---|
| CM251 | 5/9 Secondary reference Icm Controls Corp. Dba Icm Div International Controls and Measurements Corp |
NSN 6645-01-650-1860 is a Timer,interval, manufactured by Icm Controls Corp. Dba Icm Div International Controls and Measurements Corp, classified under FSC 6645, Time Measuring Instruments. Status: active.
NSN 6645-01-650-1860 has 1 manufacturer part number on file: ICM251 (Icm Controls Corp. Dba Icm Div International Controls and Measurements Corp).
Key specifications for ICM251: Overall Height: 1.25 INCHES NOMINAL IN; Unpackaged Unit Weight: 0.2 OUNCES NOMINAL OZ; Current Type: AC; Control Type: RELAY. 7 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.