The Switch,toggle, cataloged under National Stock Number 5930-01-657-2979, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Cole Hersee Company. Government technical data includes 17 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-01-657-2979 |
| Primary Part Number | M-597 |
| Item Name | Switch,toggle |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Cole Hersee Company |
| Status | ACTIVE |
| Inclosure Type | FULLY INCLOSED |
| Body Style | HOLE MOUNT |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 1.994 INCHES NOMINAL IN |
| Actuator Style | ROUND |
| Precious Material | SILVER |
| Mounting Method | UNTHREADED HOLE(S) |
| Switch Actuator Quantity | 1 |
| Body Width | 2.730 INCHES NOMINAL IN |
| Body Height | 1.363 INCHES NOMINAL IN |
| Unthreaded Mounting Hole Diameter | 1.50 INCHES NOMINAL IN |
| Mounting Surface to Terminal End Distance | 9.361 INCHES NOMINAL IN |
| Color | GRAY/GREY SINGLE ACTUATOR |
| Precious Material and Location | CONTACTS SILVER |
| Maximum Voltage Rating in Volts | 12.0 DC AND 24.0 DC |
| Terminal Type and Quantity | 2 WIRE LEAD |
| Contact Load Current Rating at Maximum Rated Voltage | 10.0 AMPERES RESISTIVE DC |
| Hazardous Locations/environmental Protection | WEATHER RESISTANT |
| 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 |
|---|---|
| M-597 PRIMARY | Cole Hersee Company (USA) |
NSN 5930-01-657-2979 is a Switch,toggle, manufactured by Cole Hersee Company, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-657-2979 has 1 manufacturer part number on file: M-597 (Cole Hersee Company).
Key specifications for M-597: Inclosure Type: FULLY INCLOSED; Body Style: HOLE MOUNT; Center to Center Distance Between Mounting Facilities Parallel to Length: 1.994 INCHES NOMINAL IN; Actuator Style: ROUND. 17 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.