The Switch,toggle, cataloged under National Stock Number 5930-01-052-3978, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems. Government technical data includes 19 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5930-01-052-3978 |
| Primary Part Number | 266-5321-990 |
| Item Name | Switch,toggle |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems |
| Status | ACTIVE |
| Bushing Length | 0.280 INCHES NOMINAL IN |
| Actuator Diameter | 0.105 INCHES NOMINAL IN |
| Inclosure Type | FULLY INCLOSED |
| Body Style | BUSHING MOUNT |
| Actuator Style | ROUND |
| Mounting Method | THREADED BUSHING |
| Body Width | 0.440 INCHES MINIMUM AND 0.460 INCHES MAXIMUM IN |
| Mounting Surface to Terminal End Distance | 0.690 INCHES NOMINAL IN |
| Nominal Thread Size | 0.250 INCHES IN |
| Actuator Position-Action Relationship | LEFT POSITION MAINTAINED AND RIGHT POSITION MAINTAINED |
| Body Length | 0.500 INCHES NOMINAL IN |
| Nonpile-Up Contact Arrangement | 2 POLE, DOUBLE THROW, BOTH POSITIONS MAINTAINED SINGLE SWITCH UNIT |
| Maximum Voltage Rating in Volts | 115.0 AC AND 28.0 DC |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 40 |
| Terminal Type and Quantity | 6 PIN |
| Thread Series Designator | UNS |
| Actuator Height | 0.270 INCHES NOMINAL IN |
| Contact Load Current Rating at Maximum Rated Voltage | 5.000 AMPERES RESISTIVE AC AND 5.000 AMPERES RESISTIVE 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 |
|---|---|
| 7201MDAB | C & K Components, Llc Div C & K Components (USA) |
| 266-5321-990 PRIMARY | Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA) |
| Reference | Meaning |
|---|---|
| 7201MDAB | 5/9 Secondary reference C and K Components Inc |
NSN 5930-01-052-3978 is a Switch,toggle, manufactured by Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-052-3978 has 2 manufacturer part numbers on file: 7201MDAB (C & K Components, Llc Div C & K Components), 266-5321-990 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems).
Key specifications for 266-5321-990: Bushing Length: 0.280 INCHES NOMINAL IN; Actuator Diameter: 0.105 INCHES NOMINAL IN; Inclosure Type: FULLY INCLOSED; Body Style: BUSHING MOUNT. 19 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.