The Switch,thermostatic, cataloged under National Stock Number 5930-00-259-7982, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 24 specifications, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 7 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-00-259-7982 |
| Primary Part Number | 862278 |
| Item Name | Switch,thermostatic |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Body Diameter | 0.618 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN |
| Contact Action Stimulus | INCREASE |
| Terminal Type | TAB W/SCREW |
| Mounting Facility Pattern | ISOSCELES TRIANGLE |
| Contact Load Current Rating | 500.0 MILLIAMPERES RESISTIVE LOAD SECOND VOLTAGE |
| Contact Load Current Rating | 2.0 AMPERES RESISTIVE LOAD THIRD VOLTAGE |
| Contact Load Current Rating | 5.0 AMPERES RESISTIVE LOAD FIRST VOLTAGE |
| Mounting Method | FLANGE AND UNTHREADED HOLE(S) |
| Unthreaded Mounting Hole Diameter | 0.221 INCHES NOMINAL IN |
| Style Designator | CYLINDRICAL W/FLANGE |
| Longest Vertical Distance Between Mounting Centers | 0.935 INCHES MINIMUM AND 0.939 INCHES MAXIMUM IN |
| Temp Sensing Element Type | INTERNAL SENSOR |
| Shortest Horizontal Distance Between Mounting Centers | 0.540 INCHES MINIMUM AND 0.542 INCHES MAXIMUM IN |
| Features Provided | HERMETICALLY SEALED CASE |
| Body Length | 3.563 INCHES NOMINAL IN |
| Operating Temp Rating | -65.0 FAHRENHEIT MINIMUM AND 650.0 FAHRENHEIT MAXIMUM DEGF |
| Nonpile-Up Contact Arrangement | 1 POLE, SINGLE THROW, NORMALLY CLOSED, MOMENTARY ACTION |
| Media for Which Designed | GAS OR LIQUID |
| Contact Stimulus Rating | 176.00 ACTUATION POINT NOMINAL DEGREES FAHRENHEIT AND 164.00 DEACTUATION POINT NOMINAL DEGREES FAHRENHEIT |
| Contact Adjustability | DEACTUATION POINT NOT ADJUSTABLE AND ACTUATION POINT NOT ADJUSTABLE |
| Contact Voltage Rating in Volts | 115.0 DC AT SEA LEVEL SECOND VOLTAGE |
| Contact Voltage Rating in Volts | 28.0 DC AT SEA LEVEL THIRD VOLTAGE |
| Contact Voltage Rating in Volts | 115.0 AC AT SEA LEVEL FIRST VOLTAGE |
| Longest Horizontal Distance Between Mounting Centers | 1.080 INCHES MINIMUM AND 1.084 INCHES MAXIMUM IN |
| 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 |
|---|---|
| 862278 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| 18420-0-176PORM12DEG F | Kidde Technologies, Inc Dba Fenwal Safety Systems Div Fenwall Safety Systems (USA) |
| 862278 | Lockheed Martin Librascope Corporation (USA) |
| Reference | Meaning |
|---|---|
| 18420 | 5/9 Secondary reference Kidde Technologies, Inc Dba Fenwal Safety Systems Div Fenwall Safety Systems |
NSN 5930-00-259-7982 is a Switch,thermostatic, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5930, Switches. Status: active.
NSN 5930-00-259-7982 has 3 manufacturer part numbers on file: 862278 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 18420-0-176PORM12DEG F (Kidde Technologies, Inc Dba Fenwal Safety Systems Div Fenwall Safety Systems), 862278 (Lockheed Martin Librascope Corporation).
7 possible matches (shared part number, not a government interchangeability claim): 5905-00-465-9746, 4140-00-980-4969, 5998-01-063-5600. Verify interchangeability with system specifications before substitution.
Key specifications for 862278: Body Diameter: 0.618 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN; Contact Action Stimulus: INCREASE; Terminal Type: TAB W/SCREW; Mounting Facility Pattern: ISOSCELES TRIANGLE. 24 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.