The Switch,thermostatic, cataloged under National Stock Number 5930-00-936-5941, 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 16 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5930-00-936-5941 |
| Primary Part Number | 77C703781PT5 |
| Item Name | Switch,thermostatic |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Lockheed Martin Corporation Div Rms |
| Status | ACTIVE |
| Body Diameter | 0.500 INCHES NOMINAL IN |
| Contact Action Stimulus | INCREASE |
| Terminal Type | TAB, SOLDER LUG |
| Mounting Facility Pattern | ISOSCELES TRIANGLE |
| Contact Load Current Rating | 2.0 AMPERES RESISTIVE LOAD SECOND VOLTAGE |
| Contact Load Current Rating | 5.0 AMPERES RESISTIVE LOAD FIRST VOLTAGE |
| Mounting Method | UNTHREADED HOLE(S) |
| Body Height | 2.562 INCHES NOMINAL IN |
| Unthreaded Mounting Hole Diameter | 0.234 INCHES NOMINAL IN |
| Style Designator | DISC W/FLANGE |
| Nonpile-Up Contact Arrangement | 1 POLE, SINGLE THROW, BOTH POSITIONS MAINTAINED |
| Media for Which Designed | GAS OR LIQUID |
| Contact Stimulus Rating | 51.00 ACTUATION POINT MINIMUM DEGREES CELSIUS AND 57.00 ACTUATION POINT MAXIMUM DEGREES CELSIUS AND 50.00 DEACTUATION POINT NOMINAL DEGREES CELSIUS |
| Contact Adjustability | DEACTUATION POINT NOT ADJUSTABLE AND ACTUATION POINT NOT ADJUSTABLE |
| Contact Voltage Rating in Volts | 28.0 DC AT SEA LEVEL SECOND VOLTAGE |
| Contact Voltage Rating in Volts | 115.0 AC AT SEA LEVEL FIRST VOLTAGE |
| 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 |
|---|---|
| 77C703781PT5 | Lockheed Martin Corporation Div Rms (USA) |
| Reference | Meaning |
|---|---|
| 77C703781P005 | 7/2 Vendor item drawing reference Lockheed Martin Corporation Div Rms |
| 77C703781PT5REVC | C/1 Advisory reference — outside the item-of-supply concept Lockheed Martin Corporation Div Rms |
| VC9172-5 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5930-00-936-5941 is a Switch,thermostatic, manufactured by Lockheed Martin Corporation Div Rms, classified under FSC 5930, Switches. Status: active.
NSN 5930-00-936-5941 has 1 manufacturer part number on file: 77C703781PT5 (Lockheed Martin Corporation Div Rms).
Key specifications for 77C703781PT5: Body Diameter: 0.500 INCHES NOMINAL IN; Overall Height: 3.062 INCHES NOMINAL IN; Contact Action Stimulus: INCREASE; Terminal Type: TAB, SOLDER LUG. 16 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.