The Timer,stop, cataloged under National Stock Number 6645-01-033-4504, is classified within Federal Supply Class 6645 (Time Measuring Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Essex Products Group, Inc. Dba Industrial Timer Company. Government technical data includes 12 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 6645-01-033-4504 |
| Primary Part Number | 42112-11 |
| Item Name | Timer,stop |
| FSC / FSG | 6645 / 66 — Time Measuring Instruments |
| Manufacturer | Essex Products Group, Inc. Dba Industrial Timer Company |
| Status | ACTIVE |
| Frequency in Hertz | 60.0 |
| Current Type | AC |
| Control Type | RESET LEVER |
| Time Indicator Total Capacity | 9999.99 SEC |
| Mounting Method | FLANGE TYPE FOR PANEL |
| DC Operated Clutch | NOT INCLUDED |
| Voltage in Volts | 115.0 |
| Reset Type | ELECTRIC |
| Timer Type | ELECTRICAL |
| Dial Minimum Graduation | 0.01 SEC |
| Dial Background Color | BLACK |
| Operation Method | MOTOR DRIVEN |
| 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 |
|---|---|
| 42112-11 PRIMARY | Essex Products Group, Inc. Dba Industrial Timer Company (USA) |
| Reference | Meaning |
|---|---|
| 42112-11 | 5/9 Secondary reference Haydon Kerk Motion Solutions, Inc. Dba Haydon Kerk Motion Solutions Inc Div Haydon Kerk |
NSN 6645-01-033-4504 is a Timer,stop, manufactured by Essex Products Group, Inc. Dba Industrial Timer Company, classified under FSC 6645, Time Measuring Instruments. Status: active.
NSN 6645-01-033-4504 has 1 manufacturer part number on file: 42112-11 (Essex Products Group, Inc. Dba Industrial Timer Company).
Key specifications for 42112-11: Overall Height: 2.250 INCHES NOMINAL IN; Frequency in Hertz: 60.0; Current Type: AC; Control Type: RESET LEVER. 12 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.