The Switch,rotary, cataloged under National Stock Number 5930-01-557-6979, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Cole Instrument Corp. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-01-557-6979 |
| Primary Part Number | 3645-202-04PY |
| Item Name | Switch,rotary |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Cole Instrument Corp |
| Status | ACTIVE |
| Shaft Type | ROUND, FLATTED SINGLE ACTUATOR |
| Switch Contact Basic Design | NONPILE-UP SYMMETRICAL |
| Terminal Type | THREADED STUD |
| Overall Diameter | 1.150 INCHES NOMINAL IN |
| Mounting Method | THREADED BUSHING SINGLE MOUNTING FACILITY |
| Thread Length | 0.437 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Pole Quantity | 2 SINGLE SECTION REAR |
| Style Designator | TAP, CIRCULAR, BUSHING MOUNT |
| Individual Section Quantity | 4 |
| Nominal Thread Size | 0.375 INCHES SINGLE MOUNTING FACILITY IN |
| Thread Class | 2A SINGLE MOUNTING FACILITY A |
| Switch Actuator Positioning Increment | 45.0 DEGREES SINGLE ACTUATOR |
| Thread Quantity Per Inch | 32 SINGLE MOUNTING FACILITY |
| Thread Series Designator | UNEF SINGLE MOUNTING FACILITY |
| Throw Quantity | 2 SINGLE SECTION REAR |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 3645-202-04PY PRIMARY | Cole Instrument Corp (USA) |
| 200-0040 ITEM 2 | Patrick Engineering Composites Ltd (GBR) |
| 200-0040/2 | Patrick Engineering Composites Ltd (GBR) |
NSN 5930-01-557-6979 is a Switch,rotary, manufactured by Cole Instrument Corp, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-557-6979 has 3 manufacturer part numbers on file: 3645-202-04PY (Cole Instrument Corp), 200-0040 ITEM 2 (Patrick Engineering Composites Ltd), 200-0040/2 (Patrick Engineering Composites Ltd).
Key specifications for 3645-202-04PY: Shaft Type: ROUND, FLATTED SINGLE ACTUATOR; Switch Contact Basic Design: NONPILE-UP SYMMETRICAL; Terminal Type: THREADED STUD; Overall Diameter: 1.150 INCHES NOMINAL IN. 15 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.