The Timer,sequential, cataloged under National Stock Number 6645-01-119-1583, is classified within Federal Supply Class 6645 (Time Measuring Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is U S Dept of Transportation Federal Aviation Administration. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 6645-01-119-1583 |
| Primary Part Number | RG21-098-240V |
| Item Name | Timer,sequential |
| FSC / FSG | 6645 / 66 — Time Measuring Instruments |
| Manufacturer | U S Dept of Transportation Federal Aviation Administration |
| Status | ACTIVE |
| Control Type | SWITCH |
| Timer Type | ELECTRICAL |
| Operation Method | SYNCHRONOUS MOTOR |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | N |
| Part Number | Manufacturer |
|---|---|
| RG21-098-240V PRIMARY | U S Dept of Transportation Federal Aviation Administration (USA) |
| RG21-098-005 240/60 | Essex Products Group, Inc. Dba Industrial Timer Company (USA) |
| Reference | Meaning |
|---|---|
| RG21-098-240V | 5/9 Secondary reference General Time Controls Inc |
NSN 6645-01-119-1583 is a Timer,sequential, manufactured by U S Dept of Transportation Federal Aviation Administration, classified under FSC 6645, Time Measuring Instruments. Status: active.
NSN 6645-01-119-1583 has 2 manufacturer part numbers on file: RG21-098-240V (U S Dept of Transportation Federal Aviation Administration), RG21-098-005 240/60 (Essex Products Group, Inc. Dba Industrial Timer Company).
Key specifications for RG21-098-240V: Control Type: SWITCH; Timer Type: ELECTRICAL; Special Features: SYNCHRONOUS MOTOR 240 VAC,60 HZ;60 MINUTE TIME CYCLE;MICROSWITCH 125 TO 440 VAC,20 AMP; FUNCTION: TIME REGULATOR VAC; End Item Identification: ENGINE GENERATOR (EG). 3 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.