The Switch,toggle, cataloged under National Stock Number 5930-01-285-6663, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Lockheed Martin Corporation Div Rms. Government technical data includes 21 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5930-01-285-6663 |
| Primary Part Number | 77C721349 |
| Item Name | Switch,toggle |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Lockheed Martin Corporation Div Rms |
| Status | ACTIVE |
| Bushing Length | 0.380 INCHES NOMINAL IN |
| Actuator Diameter | 0.225 INCHES NOMINAL IN |
| Inclosure Type | FULLY INCLOSED |
| Body Style | BUSHING MOUNT |
| Actuator Style | ROUND |
| Mounting Method | THREADED BUSHING |
| Body Width | 1.010 INCHES MINIMUM AND 1.090 INCHES MAXIMUM IN |
| Body Height | 0.820 INCHES NOMINAL IN |
| Mounting Surface to Terminal End Distance | 0.920 INCHES NOMINAL IN |
| Features Provided | ACTUATOR SEAL |
| Nominal Thread Size | 0.469 INCHES IN |
| Actuator Position-Action Relationship | CENTER POSITION MAINTAINED AND LEFT POSITION MOMENTARY AND RIGHT POSITION MOMENTARY |
| Body Length | 0.770 INCHES MINIMUM AND 0.850 INCHES MAXIMUM IN |
| Nonpile-Up Contact Arrangement | 4 POLE, DOUBLE THROW, ONE POSITION MOMENTARY SINGLE SWITCH UNIT |
| Maximum Voltage Rating in Volts | 250.0 AC AND 28.0 DC |
| Thread Class | 2A A |
| Material | PLASTIC CASE |
| Terminal Type and Quantity | 12 TURRET |
| Thread Series Designator | UNF |
| Actuator Height | 0.800 INCHES NOMINAL IN |
| Contact Load Current Rating at Maximum Rated Voltage | 7.000 AMPERES RESISTIVE DC AND 4.000 AMPERES INDUCTIVE DC AND 7.000 AMPERES RESISTIVE AC AND 7.000 AMPERES INDUCTIVE AC |
| 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 |
|---|---|
| 51MXBE5 | Machine Components Corp. Dba Machine Components Corp (USA) |
| 77C721349 PRIMARY | Lockheed Martin Corporation Div Rms (USA) |
| Reference | Meaning |
|---|---|
| 77C721349P001 | C/1 Advisory reference — outside the item-of-supply concept Lockheed Martin Corporation Div Rms |
NSN 5930-01-285-6663 is a Switch,toggle, manufactured by Lockheed Martin Corporation Div Rms, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-285-6663 has 2 manufacturer part numbers on file: 51MXBE5 (Machine Components Corp. Dba Machine Components Corp), 77C721349 (Lockheed Martin Corporation Div Rms).
Key specifications for 77C721349: Bushing Length: 0.380 INCHES NOMINAL IN; Actuator Diameter: 0.225 INCHES NOMINAL IN; Inclosure Type: FULLY INCLOSED; Body Style: BUSHING MOUNT. 21 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.