The Switch,rotary, cataloged under National Stock Number 5930-00-256-4552, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch. Government technical data includes 29 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-00-256-4552 |
| Primary Part Number | 237450-MF8 |
| Item Name | Switch,rotary |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch |
| Status | ACTIVE |
| Shaft Type | ROUND, HOLLOWED FIRST ACTUATOR |
| Shaft Type | ROUND THIRD ACTUATOR |
| Shaft Type | ROUND, HOLLOWED SECOND ACTUATOR |
| Shaft Diameter | 0.375 INCHES NOMINAL FIRST ACTUATOR IN |
| Shaft Diameter | 0.250 INCHES NOMINAL SECOND ACTUATOR IN |
| Shaft Diameter | 0.156 INCHES NOMINAL THIRD ACTUATOR IN |
| Switch Contact Basic Design | NONPILE-UP SYMMETRICAL |
| Nonturn Device Radius | 0.531 INCHES NOMINAL AT 10:30 OCLOCK IN |
| Terminal Type | CLIP |
| Detent Rotational Torque Range | +30.000 TO 45.000 INCH-OUNCES FIRST ACTUATOR IN |
| Detent Rotational Torque Range | +30.000 TO 45.000 INCH-OUNCES SECOND ACTUATOR IN |
| Detent Rotational Torque Range | +5.000 TO 20.000 INCH-OUNCES THIRD ACTUATOR IN |
| Precious Material | SILVER |
| Rotor Through Connection Quantity | 1 FOURTH SECTION |
| Rotor Through Connection Quantity | 1 FIRST SECTION |
| Rotor Through Connection Quantity | 1 SECOND SECTION |
| Rotor Through Connection Quantity | 1 FIFTH SECTION |
| Rotor Through Connection Quantity | 1 SEVENTH SECTION |
| Contact Load Current Rating | 500.0 MILLIAMPERES RESISTIVE LOAD AC AT SEA LEVEL |
| Contact Load Current Rating | 1.0 AMPERES RESISTIVE LOAD DC AT SEA LEVEL |
| Mounting Method | THREADED BUSHING SINGLE MOUNTING FACILITY |
| Thread Length | 0.375 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Pole Quantity | 1 FOURTH SECTION FRONT |
| Pole Quantity | 1 THIRD SECTION REAR |
| Pole Quantity | 1 THIRD SECTION FRONT |
| Pole Quantity | 1 SEVENTH SECTION FRONT |
| Pole Quantity | 1 FIRST SECTION FRONT |
| Pole Quantity | 1 SECOND SECTION FRONT |
| Pole Quantity | 1 SIXTH 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 |
|---|---|
| 237450-MF8 PRIMARY | Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch (USA) |
| Reference | Meaning |
|---|---|
| 260-0543-00 | 5/9 Secondary reference U.S. Government activity |
NSN 5930-00-256-4552 is a Switch,rotary, manufactured by Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch, classified under FSC 5930, Switches. Status: active.
NSN 5930-00-256-4552 has 1 manufacturer part number on file: 237450-MF8 (Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch).
1 possible match (shared part number, not a government interchangeability claim): 5930-00-792-1511. Verify interchangeability with system specifications before substitution.
Key specifications for 237450-MF8: Shaft Type: ROUND, HOLLOWED FIRST ACTUATOR; Shaft Type: ROUND THIRD ACTUATOR; Shaft Type: ROUND, HOLLOWED SECOND ACTUATOR; Overall Height: 2.312 INCHES NOMINAL IN. 29 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.