The Switch,rotary, cataloged under National Stock Number 5930-00-166-9944, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Us Army Aviation and Missile Command. Government technical data includes 25 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5930-00-166-9944 |
| Primary Part Number | 10238078-2 |
| Item Name | Switch,rotary |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Us Army Aviation and Missile Command |
| Status | ACTIVE |
| Shaft Type | ROUND SINGLE ACTUATOR |
| Shaft Diameter | 0.248 INCHES MINIMUM AND 0.251 INCHES MAXIMUM SINGLE ACTUATOR IN |
| Switch Contact Basic Design | NONPILE-UP SYMMETRICAL |
| Nonturn Device Radius | 0.440 INCHES NOMINAL AT 9:00 OCLOCK IN |
| Terminal Type | TAB, SOLDER LUG |
| Rotor Through Connection Quantity | 1 EACH SECTION |
| Contact Load Current Rating | 2.0 AMPERES RESISTIVE LOAD DC AT SEA LEVEL |
| Contact Load Current Rating | 150.0 MILLIAMPERES RESISTIVE LOAD AC AT SEA LEVEL |
| Mounting Method | THREADED BUSHING SINGLE MOUNTING FACILITY |
| Thread Length | 0.380 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Pole Quantity | 1 EACH SECTION FRONT |
| Style Designator | CIRCULAR WAFER, BUSHING MOUNT |
| Individual Section Quantity | 2 |
| Nonturn Device Type | TAB AT 9:00 OCLOCK |
| Nominal Thread Size | 0.375 INCHES SINGLE MOUNTING FACILITY IN |
| Shaft Length | 0.880 INCHES NOMINAL SINGLE ACTUATOR IN |
| Switch Actuator Stop Device Type | ADJUSTABLE STOP SINGLE ACTUATOR |
| Contact Switching Action | BREAKS BEFORE MAKES EACH SECTION REAR |
| Contact Voltage Rating in Volts | 115.0 AC AT SEA LEVEL |
| Contact Voltage Rating in Volts | 15.0 DC AT SEA LEVEL |
| Thread Class | 2A SINGLE MOUNTING FACILITY A |
| Switch Actuator Positioning Increment | 30.0 DEGREES SINGLE ACTUATOR |
| Switch Actuator Indexing Position Quantity | 12 SINGLE ACTUATOR |
| Thread Series Designator | UNEF SINGLE MOUNTING FACILITY |
| Throw Quantity | 7 EACH 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 |
|---|---|
| 10238078-2 PRIMARY | Us Army Aviation and Missile Command (USA) |
| Reference | Meaning |
|---|---|
| PA024 | 5/9 Secondary reference Crl Components Inc |
NSN 5930-00-166-9944 is a Switch,rotary, manufactured by Us Army Aviation and Missile Command, classified under FSC 5930, Switches. Status: active.
NSN 5930-00-166-9944 has 1 manufacturer part number on file: 10238078-2 (Us Army Aviation and Missile Command).
1 possible match (shared part number, not a government interchangeability claim): 5930-00-887-7362. Verify interchangeability with system specifications before substitution.
Key specifications for 10238078-2: Shaft Type: ROUND SINGLE ACTUATOR; Overall Height: 1.500 INCHES NOMINAL IN; Shaft Diameter: 0.248 INCHES MINIMUM AND 0.251 INCHES MAXIMUM SINGLE ACTUATOR IN; Switch Contact Basic Design: NONPILE-UP SYMMETRICAL. 25 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.