The Switch,thermostatic, cataloged under National Stock Number 5930-01-314-4967, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Howell Laboratories Inc Dba Howell Laboratories Inc. Government technical data includes 21 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-01-314-4967 |
| Primary Part Number | 4741 PIECE 15 |
| Item Name | Switch,thermostatic |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Howell Laboratories Inc Dba Howell Laboratories Inc |
| Status | ACTIVE |
| Contact Action Stimulus | INCREASE |
| Terminal Type | SCREW |
| Contact Load Current Rating | 15.0 AMPERES RESISTIVE LOAD FIRST VOLTAGE |
| Contact Load Current Rating | 15.0 AMPERES RESISTIVE LOAD SECOND VOLTAGE |
| Mounting Method | THREADED BUSHING |
| Contact Adjustment Range | +350.00 TO 600.00 ACTUATION POINT DEGREES FAHRENHEIT |
| Style Designator | RECTANGULAR |
| Temp Sensing Element Type | INTERNAL SENSOR |
| Contact Adjustment Type | INTERNAL ACTUATION POINT SCREW |
| Features Provided | ELECTRICAL ACCESS PORT |
| Nominal Thread Size | 0.875 INCHES SINGLE THREADED BUSHING IN |
| Body Length | 5.000 INCHES NOMINAL IN |
| Operating Temp Rating | 600.0 FAHRENHEIT MAXIMUM DEGF |
| Nonpile-Up Contact Arrangement | 2 POLE, DOUBLE THROW, ONE POSITION MOMENTARY |
| Media for Which Designed | GAS OR LIQUID |
| Thread Class | 2A SINGLE THREADED BUSHING A |
| Thread Series Designator | UNEF SINGLE THREADED BUSHING |
| Contact Adjustability | ACTUATION POINT ADJUSTABLE |
| Contact Voltage Rating in Volts | 460.0 AC AT SEA LEVEL SECOND VOLTAGE |
| Contact Voltage Rating in Volts | 125.0 AC AT SEA LEVEL FIRST VOLTAGE |
| Hazardous Locations/environmental Protection | WEATHERTIGHT |
| 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 |
|---|---|
| B-2C-675-NN-163-80-00 550DEG F | Burling Instruments, Inc. (USA) |
| 4741 PIECE 15 PRIMARY | Howell Laboratories Inc Dba Howell Laboratories Inc (USA) |
| 5464 PIECE 1 | Howell Laboratories Inc Dba Howell Laboratories Inc (USA) |
| Reference | Meaning |
|---|---|
| B-2C-675-NN-163-80-0 | C/1 Advisory reference — outside the item-of-supply concept Burling Instruments, Inc. |
NSN 5930-01-314-4967 is a Switch,thermostatic, manufactured by Howell Laboratories Inc Dba Howell Laboratories Inc, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-314-4967 has 3 manufacturer part numbers on file: B-2C-675-NN-163-80-00 550DEG F (Burling Instruments, Inc.), 4741 PIECE 15 (Howell Laboratories Inc Dba Howell Laboratories Inc), 5464 PIECE 1 (Howell Laboratories Inc Dba Howell Laboratories Inc).
Key specifications for 4741 PIECE 15: Overall Height: 3.188 INCHES NOMINAL IN; Contact Action Stimulus: INCREASE; Terminal Type: SCREW; Contact Load Current Rating: 15.0 AMPERES RESISTIVE LOAD FIRST VOLTAGE. 21 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.