The Switch,thermostatic, cataloged under National Stock Number 5930-01-287-8486, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Therm-O-Disc Inc Sub of Emerson Electric Co. Government technical data includes 15 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-01-287-8486 |
| Primary Part Number | MTS50A |
| Item Name | Switch,thermostatic |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Therm-O-Disc Inc Sub of Emerson Electric Co |
| Status | ACTIVE |
| Contact Action Stimulus | INCREASE |
| Terminal Type | WIRE LEAD |
| Overall Diameter | 0.300 INCHES MAXIMUM IN |
| Contact Load Current Rating | 1.0 AMPERES RESISTIVE LOAD SECOND VOLTAGE |
| Contact Load Current Rating | 1.0 AMPERES RESISTIVE LOAD FIRST VOLTAGE |
| Mounting Method | WIRE LEAD TERMINAL(S) |
| Style Designator | CYLINDRICAL |
| Temp Sensing Element Type | INTERNAL SENSOR |
| Body Length | 0.700 INCHES MAXIMUM IN |
| Nonpile-Up Contact Arrangement | 1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION |
| Media for Which Designed | GAS OR LIQUID |
| Contact Stimulus Rating | 50.00 ACTUATION POINT NOMINAL DEGREES CELSIUS |
| Contact Adjustability | ACTUATION POINT NOT ADJUSTABLE |
| Contact Voltage Rating in Volts | 120.0 AC AT SEA LEVEL FIRST VOLTAGE |
| Contact Voltage Rating in Volts | 100.0 DC AT SEA LEVEL SECOND 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 |
|---|---|
| MTS50A | Therm-O-Disc Inc Sub of Emerson Electric Co (USA) |
| Reference | Meaning |
|---|---|
| 11426-90213 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5930-01-287-8486 is a Switch,thermostatic, manufactured by Therm-O-Disc Inc Sub of Emerson Electric Co, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-287-8486 has 1 manufacturer part number on file: MTS50A (Therm-O-Disc Inc Sub of Emerson Electric Co).
Key specifications for MTS50A: Contact Action Stimulus: INCREASE; Terminal Type: WIRE LEAD; Overall Diameter: 0.300 INCHES MAXIMUM IN; Contact Load Current Rating: 1.0 AMPERES RESISTIVE LOAD SECOND VOLTAGE. 15 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.