The Switch,thermostatic, cataloged under National Stock Number 5930-01-004-9899, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is D. W. Boyd Corporation. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-01-004-9899 |
| Primary Part Number | DWB165 |
| Item Name | Switch,thermostatic |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | D. W. Boyd Corporation |
| Status | ACTIVE |
| Body Diameter | 0.920 INCHES NOMINAL IN |
| Contact Action Stimulus | INCREASE |
| Terminal Type | QUICK DISCONNECT, MALE |
| Mounting Facility Pattern | TWO POSITION IN-LINE |
| Mounting Method | BRACKET(S) AND SLOT |
| Body Height | 0.381 INCHES NOMINAL IN |
| Style Designator | DISC W/FLANGE |
| Temp Sensing Element Type | INTERNAL SENSOR |
| Features Provided | AUTOMATIC RESET AND HERMETICALLY SEALED CASE |
| Distance Between Mounting Facility Centers | 1.562 INCHES NOMINAL IN |
| Nonpile-Up Contact Arrangement | 1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION |
| Media for Which Designed | GAS |
| Contact Stimulus Rating | 165.00 ACTUATION POINT NOMINAL DEGREES FAHRENHEIT AND 155.00 DEACTUATION POINT NOMINAL DEGREES FAHRENHEIT |
| Contact Adjustability | ACTUATION POINT NOT ADJUSTABLE AND DEACTUATION POINT NOT ADJUSTABLE |
| Mounting Slot Width | 0.172 INCHES NOMINAL 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 |
|---|---|
| DWB165 PRIMARY | D. W. Boyd Corporation (USA) |
| Reference | Meaning |
|---|---|
| TU5149H | 5/9 Secondary reference Cissell Manufacturing Company Dba Cissell Mfg |
| TU5149 | 5/9 Secondary reference Cissell Manufacturing Company Dba Cissell Mfg |
NSN 5930-01-004-9899 is a Switch,thermostatic, manufactured by D. W. Boyd Corporation, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-004-9899 has 1 manufacturer part number on file: DWB165 (D. W. Boyd Corporation).
Key specifications for DWB165: Body Diameter: 0.920 INCHES NOMINAL IN; Overall Height: 1.105 INCHES MAXIMUM IN; Contact Action Stimulus: INCREASE; Terminal Type: QUICK DISCONNECT, MALE. 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.