The Timer,sequential, cataloged under National Stock Number 6645-01-701-5489, is classified within Federal Supply Class 6645 (Time Measuring Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Sprecher and Schuh Inc S and S Control Div. Government technical data includes 5 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 6645-01-701-5489 |
| Primary Part Number | RZ7FSB3GU23 |
| Item Name | Timer,sequential |
| FSC / FSG | 6645 / 66 — Time Measuring Instruments |
| Manufacturer | Sprecher and Schuh Inc S and S Control Div |
| Status | ACTIVE |
| Frequency in Hertz | 60.0 |
| Time Indicator Total Capacity | LED |
| Reset Type | ANY ACCEPTABLE |
| Operating DC Voltage in Volts | 24.0 OR 48.0 |
| Unpackaged Unit Weight | 0.1 KILOGRAMS KG |
| 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 |
|---|---|
| RZ7FSB3GU23 PRIMARY | Sprecher and Schuh Inc S and S Control Div (USA) |
| Reference | Meaning |
|---|---|
| 700-FSB3GU23 | 5/9 Secondary reference Rockwell Automation Aust Ltd |
NSN 6645-01-701-5489 is a Timer,sequential, manufactured by Sprecher and Schuh Inc S and S Control Div, classified under FSC 6645, Time Measuring Instruments. Status: active.
NSN 6645-01-701-5489 has 1 manufacturer part number on file: RZ7FSB3GU23 (Sprecher and Schuh Inc S and S Control Div).
Key specifications for RZ7FSB3GU23: Overall Height: 78.8 MILLIMETERS NOMINAL MM; Frequency in Hertz: 60.0; Time Indicator Total Capacity: LED; Reset Type: ANY ACCEPTABLE. 5 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.