The Switch,pressure, cataloged under National Stock Number 5930-00-329-6963, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Sensor Systems, L.l.c. Dba Sensor Systems Llc. Government technical data includes 24 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5930-00-329-6963 |
| Primary Part Number | 123649-2 |
| Item Name | Switch,pressure |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Sensor Systems, L.l.c. Dba Sensor Systems Llc |
| Status | ACTIVE |
| Contact Action Stimulus | DECREASE |
| Terminal Type | CONNECTOR, RECEPTACLE |
| Overall Diameter | 1.070 INCHES NOMINAL IN |
| Proof Pressure | 37.50 POUNDS PER SQUARE INCH LBS |
| Contact Load Current Rating | 1.0 AMPERES RESISTIVE LOAD SINGLE VOLTAGE |
| Mounting Method | INLET CONNECTION |
| Thread Length | 0.275 INCHES NOMINAL SINGLE PRESSURE CONNECTION IN |
| Sensing Element Burst Pressure | 75.00 POUNDS PER SQUARE INCH LBS |
| Style Designator | CYLINDRICAL |
| Outside Diameter | 0.438 INCHES NOMINAL SINGLE CONNECTION IN |
| Pressure Switch Type | GAGE |
| Features Provided | ELECTRICAL BOX CONNECTOR |
| Nominal Thread Size | 0.438 INCHES SINGLE PRESSURE CONNECTION IN |
| Body Length | 2.062 INCHES MAXIMUM IN |
| Pressure Connector Type | FLARED, THREADED EXTERNAL SINGLE CONNECTION |
| Operating Temp Rating | -40.0 CELSIUS MINIMUM AND 60.0 CELSIUS MAXIMUM DEGC |
| Nonpile-Up Contact Arrangement | 1 POLE, DOUBLE THROW, ONE POSITION MOMENTARY |
| Media for Which Designed | GAS OR LIQUID |
| Thread Class | 3A SINGLE PRESSURE CONNECTION A |
| Contact Stimulus Rating | 12.00 ACTUATION POINT NOMINAL POUNDS PER SQUARE INCH GAGE AND 15.00 DEACTUATION POINT NOMINAL POUNDS PER SQUARE INCH GAGE |
| Thread Quantity Per Inch | 20 SINGLE PRESSURE CONNECTION |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) SINGLE PRESSURE CONNECTION |
| Contact Adjustability | DEACTUATION POINT NOT ADJUSTABLE AND ACTUATION POINT NOT ADJUSTABLE |
| Contact Voltage Rating in Volts | 28.0 DC AT SEA LEVEL SINGLE 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 |
|---|---|
| 123649-2 PRIMARY | Sensor Systems, L.l.c. Dba Sensor Systems Llc (USA) |
| Reference | Meaning |
|---|---|
| 717-1202-03 | 5/9 Secondary reference Northern Telecom Inc Telecom Distribution Div |
| 123649-2 | 5/9 Secondary reference Bei Sensors & Systems Co. Inc Dba Edcliff Instruments Division |
NSN 5930-00-329-6963 is a Switch,pressure, manufactured by Sensor Systems, L.l.c. Dba Sensor Systems Llc, classified under FSC 5930, Switches. Status: active.
NSN 5930-00-329-6963 has 1 manufacturer part number on file: 123649-2 (Sensor Systems, L.l.c. Dba Sensor Systems Llc).
Key specifications for 123649-2: Contact Action Stimulus: DECREASE; Terminal Type: CONNECTOR, RECEPTACLE; Overall Diameter: 1.070 INCHES NOMINAL IN; Proof Pressure: 37.50 POUNDS PER SQUARE INCH LBS. 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.