The Switch,toggle, cataloged under National Stock Number 5930-00-491-8910, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is West Electronics Inc. Government technical data includes 17 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5930-00-491-8910 |
| Primary Part Number | 100C0374-1 |
| Item Name | Switch,toggle |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | West Electronics Inc |
| Status | ACTIVE |
| Bushing Length | 0.375 INCHES MINIMUM AND 0.375 INCHES MINIMUM AND 0.385 INCHES MAXIMUM0.385 INCHES MAXIMUM IN |
| Inclosure Type | FULLY INCLOSEDFULLY INCLOSED |
| Body Style | BUSHING MOUNTBUSHING MOUNT |
| Actuator Style | ROUNDROUND |
| Mounting Method | THREADED BUSHINGTHREADED BUSHING |
| Body Width | 0.635 INCHES MINIMUM AND 0.635 INCHES MINIMUM AND 0.645 INCHES MAXIMUM0.645 INCHES MAXIMUM IN |
| Body Height | 0.905 INCHES MINIMUM AND 0.905 INCHES MINIMUM AND 0.915 INCHES MAXIMUM0.915 INCHES MAXIMUM IN |
| Nominal Thread Size | 0.438 INCHES0.438 INCHES IN |
| Actuator Position-Action Relationship | UP POSITION MOMENTARY AND UP POSITION MOMENTARY AND DOWN POSITION MAINTAINED AND DOWN POSITION MAINTAINED AND CENTER POSITION MAINTAINEDCENTER POSITION MAINTAINED |
| Body Length | 0.755 INCHES MINIMUM AND 0.755 INCHES MINIMUM AND 0.760 INCHES MAXIMUM0.760 INCHES MAXIMUM IN |
| Nonpile-Up Contact Arrangement | 3 POLE, DOUBLE THROW, ONE POSITION MOMENTARY, TWO POSITIONS MAINTAINED SINGLE SWITCH UNIT |
| Maximum Voltage Rating in Volts | 28.0 DC28.0 DC |
| Thread Quantity Per Inch | 3232 |
| Terminal Type and Quantity | 9 PIN |
| Thread Series Designator | UN |
| Actuator Height | 0.760 INCHES NOMINAL0.760 INCHES NOMINAL IN |
| Contact Load Current Rating at Maximum Rated Voltage | 7.000 AMPERES RESISTIVE DC AND 4.000 AMPERES INDUCTIVE DC AND 4.000 AMPERES MOTOR 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 |
|---|---|
| T1-0011 | Otto Engineering Inc (USA) |
| 100C0374-1 PRIMARY | West Electronics Inc (USA) |
| Reference | Meaning |
|---|---|
| T7-171 | 5/9 Secondary reference U.S. Government activity |
| 275-3018 | C/1 Advisory reference — outside the item-of-supply concept Crane Electronics, Inc. |
NSN 5930-00-491-8910 is a Switch,toggle, manufactured by West Electronics Inc, classified under FSC 5930, Switches. Status: active.
NSN 5930-00-491-8910 has 2 manufacturer part numbers on file: T1-0011 (Otto Engineering Inc), 100C0374-1 (West Electronics Inc).
1 possible match (shared part number, not a government interchangeability claim): 3110-01-690-0907. Verify interchangeability with system specifications before substitution.
Key specifications for 100C0374-1: Bushing Length: 0.375 INCHES MINIMUM AND 0.375 INCHES MINIMUM AND 0.385 INCHES MAXIMUM0.385 INCHES MAXIMUM IN; Inclosure Type: FULLY INCLOSEDFULLY INCLOSED; Body Style: BUSHING MOUNTBUSHING MOUNT; Actuator Style: ROUNDROUND. 17 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.