The Switch,toggle, cataloged under National Stock Number 5930-01-347-8831, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Aviation Spares and Repairs Ltd. Government technical data includes 22 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-01-347-8831 |
| Primary Part Number | MS27789-21A |
| Item Name | Switch,toggle |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Aviation Spares and Repairs Ltd |
| Status | ACTIVE |
| Bushing Length | 0.470 INCHES MAXIMUM IN |
| Actuator Diameter | 0.420 INCHES NOMINAL IN |
| Inclosure Type | FULLY INCLOSED |
| Actuator Position-Locking Relationship | UP POSITION LOCKED IN AND DOWN POSITION LOCKED IN AND CENTER POSITION LOCKED IN |
| Body Style | BUSHING MOUNT |
| Actuator Style | ROUND |
| Mounting Method | THREADED BUSHING |
| Body Width | 1.340 INCHES MAXIMUM IN |
| Mounting Surface to Terminal End Distance | 1.706 INCHES MAXIMUM IN |
| Nominal Thread Size | 0.469 INCHES IN |
| Actuator Position-Action Relationship | UP POSITION MAINTAINED AND DOWN POSITION MAINTAINED AND CENTER POSITION MAINTAINED |
| Specification/standard Data | 96906-MS27789 GOVERNMENT STANDARD |
| Body Length | 1.660 INCHES MAXIMUM IN |
| Nonpile-Up Contact Arrangement | 4 POLE, DOUBLE THROW, THREE POSITIONS MAINTAINED SINGLE SWITCH UNIT |
| Maximum Voltage Rating in Volts | 115.0 AC AND 28.0 DC |
| Thread Class | 2A A |
| Test Data Document | 81349-MIL-S-3950 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). |
| Thread Quantity Per Inch | 32 |
| Terminal Type and Quantity | 12 SOCKET, INTEGRATED WIRE TERMINATION |
| Thread Series Designator | UNS |
| Actuator Height | 1.050 INCHES NOMINAL IN |
| Contact Load Current Rating at Maximum Rated Voltage | 7.500 AMPERES RESISTIVE AC AND 7.500 AMPERES INDUCTIVE AC AND 4.000 AMPERES LAMP AC AND 7.500 AMPERES RESISTIVE DC AND 7.500 AMPERES INDUCTIVE DC AND 7.000 AMPERES LAMP DC |
| 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 |
|---|---|
| MS27789-21A | Aviation Spares and Repairs Ltd (GBR) |
| Reference | Meaning |
|---|---|
| MS27789-21A | 2/2 Government specification standardization U.S. Government activity |
| MIL-S-3950 | 5/9 Secondary reference U.S. Government activity |
| MIL-DTL-3950 | 4/1 Identification reference U.S. Government activity |
NSN 5930-01-347-8831 is a Switch,toggle, manufactured by Aviation Spares and Repairs Ltd, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-347-8831 has 1 manufacturer part number on file: MS27789-21A (Aviation Spares and Repairs Ltd).
Key specifications for MS27789-21A: Bushing Length: 0.470 INCHES MAXIMUM IN; Actuator Diameter: 0.420 INCHES NOMINAL IN; Inclosure Type: FULLY INCLOSED; Actuator Position-Locking Relationship: UP POSITION LOCKED IN AND DOWN POSITION LOCKED IN AND CENTER POSITION LOCKED IN. 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.