The Switch,pressure, cataloged under National Stock Number 5930-00-556-0102, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Lockheed Martin Corporation Div Rms. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5930-00-556-0102 |
| Primary Part Number | 481243-5 |
| Item Name | Switch,pressure |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Lockheed Martin Corporation Div Rms |
| Status | ACTIVE |
| Contact Action Stimulus | INCREASE |
| Terminal Type | TAB, SOLDER LUG |
| Contact Load Current Rating | 1.0 AMPERES RESISTIVE LOAD SINGLE VOLTAGE |
| Mounting Method | INLET CONNECTION |
| Contact Adjustment Range | +14.70 TO 17.00 ACTUATION POINT POUNDS PER SQUARE INCH ABSOLUTE AND +14.70 TO 15.00 DEACTUATION POINT POUNDS PER SQUARE INCH ABSOLUTE |
| Style Designator | RECTANGULAR W/BRACKET |
| Pressure Switch Type | GAGE |
| Contact Adjustment Type | INTERNAL DEACTUATION POINT SCREW AND INTERNAL ACTUATION POINT SCREW |
| Nominal Thread Size | 0.938 INCHES SINGLE PRESSURE CONNECTION IN |
| Body Length | 1.156 INCHES NOMINAL IN |
| Pressure Connector Type | FLARED, THREADED EXTERNAL SINGLE CONNECTION |
| Operating Temp Rating | -55.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM DEGC |
| Nonpile-Up Contact Arrangement | 1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION |
| Media for Which Designed | GAS |
| Thread Quantity Per Inch | 24 SINGLE PRESSURE CONNECTION |
| Thread Series Designator | UNS SINGLE PRESSURE CONNECTION |
| Contact Adjustability | DEACTUATION POINT ADJUSTABLE AND ACTUATION POINT ADJUSTABLE |
| Contact Voltage Rating in Volts | 28.0 DC AT SEA LEVEL SINGLE VOLTAGE |
| Hazardous Locations/environmental Protection | DUSTPROOF |
| 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 |
|---|---|
| 481243-5 PRIMARY | Lockheed Martin Corporation Div Rms (USA) |
| Reference | Meaning |
|---|---|
| J20 | 3/1 Design control — primary reference U.S. Government activity |
| 481243-5 | 5/9 Secondary reference Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin |
NSN 5930-00-556-0102 is a Switch,pressure, manufactured by Lockheed Martin Corporation Div Rms, classified under FSC 5930, Switches. Status: active.
NSN 5930-00-556-0102 has 1 manufacturer part number on file: 481243-5 (Lockheed Martin Corporation Div Rms).
Key specifications for 481243-5: Overall Height: 2.344 INCHES NOMINAL IN; Contact Action Stimulus: INCREASE; Terminal Type: TAB, SOLDER LUG; Contact Load Current Rating: 1.0 AMPERES RESISTIVE LOAD SINGLE VOLTAGE. 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.