The Switch,toggle, cataloged under National Stock Number 5930-00-402-9291, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Ultra Cyber Limited. 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-00-402-9291 |
| Primary Part Number | 63634-403-0 |
| Item Name | Switch,toggle |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Ultra Cyber Limited |
| Status | ACTIVE |
| Bushing Length | 0.450 INCHES MINIMUM AND 0.490 INCHES MAXIMUM IN |
| Actuator Diameter | 0.235 INCHES MINIMUM AND 0.240 INCHES MAXIMUM IN |
| Inclosure Type | FULLY INCLOSED |
| Body Style | BUSHING MOUNT |
| Actuator Style | ROUND |
| Mounting Method | THREADED BUSHING |
| Body Width | 0.530 INCHES MINIMUM AND 0.535 INCHES MAXIMUM IN |
| Body Height | 0.635 INCHES MINIMUM AND 0.640 INCHES MAXIMUM IN |
| Features Provided | ACTUATOR SEAL |
| Nominal Thread Size | 0.469 INCHES IN |
| Actuator Position-Action Relationship | UP POSITION MOMENTARY AND DOWN POSITION MOMENTARY AND CENTER POSITION MAINTAINED |
| Body Length | 0.570 INCHES MINIMUM AND 0.575 INCHES MAXIMUM IN |
| Color | NATURAL SINGLE ACTUATOR |
| Nonpile-Up Contact Arrangement | 2 POLE, DOUBLE THROW, TWO POSITIONS MOMENTARY SINGLE SWITCH UNIT |
| Maximum Voltage Rating in Volts | 115.0 AC AND 28.0 DC |
| Thread Class | 2A A |
| Test Data Document | 81349-MIL-DTL-83731 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 | 6 TURRET |
| Thread Series Designator | UNS |
| Actuator Height | 0.667 INCHES MINIMUM AND 0.707 INCHES MAXIMUM IN |
| Contact Load Current Rating at Maximum Rated Voltage | 5.000 AMPERES RESISTIVE DC AND 2.000 AMPERES INDUCTIVE DC AND 1.000 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 |
|---|---|
| 63634-403-0 | Ultra Cyber Limited (GBR) |
| 12TW1-7 | Honeywell Control Systems Ltd Div Automation & Control Solutions - Service (GBR) |
| Reference | Meaning |
|---|---|
| MIL-S-83731 | 5/9 Secondary reference U.S. Government activity |
| MIL-DTL-83731 | 4/1 Identification reference U.S. Government activity |
| 12TW1-7 | 5/1 Secondary reference U.S. Government activity |
| 12TW1-7 | 5/9 Secondary reference Honeywell Control Systems Ltd |
| MS27719-27 | 2/2 Government specification standardization U.S. Government activity |
NSN 5930-00-402-9291 is a Switch,toggle, manufactured by Ultra Cyber Limited, classified under FSC 5930, Switches. Status: active.
NSN 5930-00-402-9291 has 2 manufacturer part numbers on file: 63634-403-0 (Ultra Cyber Limited), 12TW1-7 (Honeywell Control Systems Ltd Div Automation & Control Solutions - Service).
Key specifications for 63634-403-0: Bushing Length: 0.450 INCHES MINIMUM AND 0.490 INCHES MAXIMUM IN; Actuator Diameter: 0.235 INCHES MINIMUM AND 0.240 INCHES MAXIMUM IN; Inclosure Type: FULLY INCLOSED; Body Style: BUSHING MOUNT. 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.