The Timer,stop, cataloged under National Stock Number 6645-01-522-4941, is classified within Federal Supply Class 6645 (Time Measuring Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Market Forge Industries Inc. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 6645-01-522-4941 |
| Primary Part Number | 9446-1 |
| Item Name | Timer,stop |
| FSC / FSG | 6645 / 66 — Time Measuring Instruments |
| Manufacturer | Market Forge Industries Inc |
| Status | ACTIVE |
| Frequency in Hertz | 60.0 |
| Current Type | AC |
| Overall Diameter | 1.500 INCHES NOMINAL IN |
| Time Indicator Total Capacity | 72 MIN |
| Mounting Method | FLUSH |
| 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 |
|---|---|
| 9446-1 PRIMARY | Market Forge Industries Inc (USA) |
| Reference | Meaning |
|---|---|
| 08-6464 | 5/9 Secondary reference Market Forge Industries Inc |
| 9496-1 | 5/9 Secondary reference Market Forge Industries Inc |
NSN 6645-01-522-4941 is a Timer,stop, manufactured by Market Forge Industries Inc, classified under FSC 6645, Time Measuring Instruments. Status: active.
NSN 6645-01-522-4941 has 1 manufacturer part number on file: 9446-1 (Market Forge Industries Inc).
1 possible match (shared part number, not a government interchangeability claim): 1005-01-609-7146. Verify interchangeability with system specifications before substitution.
Key specifications for 9446-1: Overall Height: 1.960 INCHES NOMINAL IN; Frequency in Hertz: 60.0; Current Type: AC; Overall Diameter: 1.500 INCHES NOMINAL IN. 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.