The Switch,thermostatic, cataloged under National Stock Number 5930-00-679-9523, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Kidde Technologies, Inc Dba Fenwal Safety Systems Div Fenwall Safety Systems. Government technical data includes 22 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 5930-00-679-9523 |
| Primary Part Number | 67321 |
| Item Name | Switch,thermostatic |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Kidde Technologies, Inc Dba Fenwal Safety Systems Div Fenwall Safety Systems |
| Status | ACTIVE |
| Body Diameter | 0.245 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN |
| Contact Action Stimulus | INCREASE |
| Terminal Type | WIRE LEAD |
| Mounting Facility Pattern | THREE POSITION CIRCULAR |
| Overall Diameter | 0.625 INCHES NOMINAL IN |
| Mounting Facility Circle Radius | 0.625 INCHES NOMINAL IN |
| Precious Material | SILVER |
| Contact Load Current Rating | 1.0 AMPERES RESISTIVE LOAD SECOND VOLTAGE |
| Contact Load Current Rating | 1.0 AMPERES RESISTIVE LOAD FIRST VOLTAGE |
| Mounting Method | BRACKET(S) AND UNTHREADED HOLE(S) |
| Unthreaded Mounting Hole Diameter | 0.156 INCHES NOMINAL IN |
| Style Designator | CYLINDRICAL |
| Temp Sensing Element Type | INTERNAL SENSOR |
| Features Provided | ELECTRICAL ACCESS PORT |
| Body Length | 2.344 INCHES NOMINAL IN |
| Operating Temp Rating | 120.0 CELSIUS MAXIMUM AND -65.0 CELSIUS MINIMUM DEGC |
| Nonpile-Up Contact Arrangement | 1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION |
| Media for Which Designed | GAS |
| Contact Stimulus Rating | 59.00 ACTUATION POINT NOMINAL DEGREES CELSIUS AND 71.00 DEACTUATION POINT NOMINAL DEGREES CELSIUS AND 12.00 DIFFERENTIAL POINT NOMINAL DEGREES CELSIUS |
| Contact Adjustability | DEACTUATION POINT NOT ADJUSTABLE AND ACTUATION POINT NOT ADJUSTABLE |
| Contact Voltage Rating in Volts | 115.0 AC AT SEA LEVEL FIRST VOLTAGE |
| Contact Voltage Rating in Volts | 32.0 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 |
|---|---|
| 67321 | Kidde Technologies, Inc Dba Fenwal Safety Systems Div Fenwall Safety Systems (USA) |
| Reference | Meaning |
|---|---|
| 267-0090-000 | 3/9 Design control — primary reference Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems |
NSN 5930-00-679-9523 is a Switch,thermostatic, manufactured by Kidde Technologies, Inc Dba Fenwal Safety Systems Div Fenwall Safety Systems, classified under FSC 5930, Switches. Status: active.
NSN 5930-00-679-9523 has 1 manufacturer part number on file: 67321 (Kidde Technologies, Inc Dba Fenwal Safety Systems Div Fenwall Safety Systems).
3 possible matches (shared part number, not a government interchangeability claim): 6160-00-874-1845, 7490-00-920-6534, 4820-01-093-1687. Verify interchangeability with system specifications before substitution.
Key specifications for 67321: Body Diameter: 0.245 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN; Contact Action Stimulus: INCREASE; Terminal Type: WIRE LEAD; Mounting Facility Pattern: THREE POSITION CIRCULAR. 22 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.