The Switch,rotary, cataloged under National Stock Number 5930-01-101-4122, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 22 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5930-01-101-4122 |
| Primary Part Number | 12273532 |
| Item Name | Switch,rotary |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Shaft Type | ROUND SINGLE ACTUATOR |
| Switch Contact Basic Design | NONPILE-UP SYMMETRICAL |
| Terminal Type | TAB, SOLDER LUG |
| Mounting Facility Pattern | TWO POSITION IN-LINE SINGLE MOUNTING FACILITY |
| Rotor Through Connection Quantity | 3 SINGLE SECTION |
| Contact Load Current Rating | 125.0 MILLIAMPERES RESISTIVE LOAD DC AT SEA LEVEL |
| Contact Load Current Rating | 75.0 MILLIAMPERES RESISTIVE LOAD AC AT SEA LEVEL |
| Mounting Method | BRACKET(S) AND THREADED HOLE(S) SINGLE MOUNTING FACILITY |
| Pole Quantity | 3 SINGLE SECTION FRONT |
| Style Designator | SQUARE WAFER, PANEL MOUNT |
| Individual Section Quantity | 1 |
| Distance Between Mounting Facility Centers | 1.390 INCHES MAXIMUM SINGLE MOUNTING FACILITY IN |
| Nominal Thread Size | 0.138 INCHES SINGLE MOUNTING FACILITY IN |
| Contact Switching Action | BREAKS BEFORE MAKES SINGLE SECTION REAR |
| Contact Voltage Rating in Volts | 115.0 AC AT SEA LEVEL |
| Contact Voltage Rating in Volts | 28.0 DC AT SEA LEVEL |
| Thread Class | 2B SINGLE MOUNTING FACILITY |
| Switch Actuator Positioning Increment | 22.0 DEGREES SINGLE ACTUATOR |
| Thread Quantity Per Inch | 32 SINGLE MOUNTING FACILITY |
| Switch Actuator Indexing Position Quantity | 4 SINGLE ACTUATOR |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY |
| Throw Quantity | 4 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 |
|---|---|
| 12273532 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| 2H18D4-1X3602 | Eaton Electrical Inc. Dba Cuttler Hmmer Cmrcl Cntrls Div Div Vehicle Controls Business Unit (USA) |
| Reference | Meaning |
|---|---|
| 5930011014122 | 5/9 Secondary reference E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
NSN 5930-01-101-4122 is a Switch,rotary, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-101-4122 has 2 manufacturer part numbers on file: 12273532 (U S Army Tank Automotive Command Amsta-Im-Mm), 2H18D4-1X3602 (Eaton Electrical Inc. Dba Cuttler Hmmer Cmrcl Cntrls Div Div Vehicle Controls Business Unit).
Key specifications for 12273532: Shaft Type: ROUND SINGLE ACTUATOR; Overall Height: 2.535 INCHES MAXIMUM IN; Switch Contact Basic Design: NONPILE-UP SYMMETRICAL; Terminal Type: TAB, SOLDER LUG. 22 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.