The Switch,sensitive, cataloged under National Stock Number 5930-01-143-0165, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Rex Systems Incorporated Dba Rex Systems Inc. Government technical data includes 19 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5930-01-143-0165 |
| Primary Part Number | 3246028 |
| Item Name | Switch,sensitive |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Rex Systems Incorporated Dba Rex Systems Inc |
| Status | ACTIVE |
| Bushing Length | 1.000 INCHES NOMINAL IN |
| Body Diameter | 1.015 INCHES MAXIMUM IN |
| Actuator Diameter | 0.250 INCHES NOMINAL IN |
| Inclosure Type | FULLY INCLOSED |
| Body Style | BUSHING MOUNTED |
| Actuator Style | ROUND |
| Switch Actuating Force | 144.0 OUNCES NOMINAL OZ |
| Switch Release Force | 64.0 OUNCES MINIMUM OZ |
| Features Provided | ACTUATOR SEAL |
| Nominal Thread Size | 0.625 INCHES IN |
| Body Length | 0.980 INCHES MAXIMUM IN |
| Actuator Movement | 0.070 PRETRAVEL INCHES MAXIMUM AND 0.010 OVERTRAVEL INCHES NOMINAL AND 0.020 DIFFERENTIAL INCHES MAXIMUM |
| Nonpile-Up Contact Arrangement | 2 POLE, DOUBLE THROW, ONE POSITION MOMENTARY SINGLE SWITCH UNIT |
| Maximum Voltage Rating in Volts | 28.0 DC |
| Terminal Type and Quantity | 6 WIRE LEAD |
| Thread Series Designator | UNEF |
| Contact Load Current Rating at Maximum Rated Voltage | 4.000 AMPERES RESISTIVE DC AND 2.000 AMPERES INDUCTIVE DC AND 4.000 AMPERES MOTOR DC |
| Actuator Free Position Height | 0.375 INCHES NOMINAL IN |
| Hazardous Locations/environmental Protection | MOISTURE RESISTANT |
| 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 |
|---|---|
| 3246028 | Rex Systems Incorporated Dba Rex Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| 3246028 | 3/9 Design control — primary reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| 3246028 | 5/1 Secondary reference Thosani, Inc. |
NSN 5930-01-143-0165 is a Switch,sensitive, manufactured by Rex Systems Incorporated Dba Rex Systems Inc, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-143-0165 has 1 manufacturer part number on file: 3246028 (Rex Systems Incorporated Dba Rex Systems Inc).
Key specifications for 3246028: Bushing Length: 1.000 INCHES NOMINAL IN; Body Diameter: 1.015 INCHES MAXIMUM IN; Actuator Diameter: 0.250 INCHES NOMINAL IN; Inclosure Type: FULLY INCLOSED. 19 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.