The Switch,pressure, cataloged under National Stock Number 5930-01-126-8879, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 21 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-01-126-8879 |
| Primary Part Number | 2939201-1 |
| Item Name | Switch,pressure |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Contact Action Stimulus | INCREASE |
| Terminal Type | CONNECTOR, RECEPTACLE |
| Contact Load Current Rating | 250.0 MILLIAMPERES RESISTIVE LOAD SINGLE VOLTAGE |
| Mounting Method | INLET CONNECTION AND OUTLET CONNECTION |
| Body Height | 1.875 INCHES NOMINAL IN |
| Style Designator | RECTANGULAR |
| Pressure Switch Type | GAGE |
| Features Provided | ELECTRICAL BOX CONNECTOR |
| Nominal Thread Size | 0.750 INCHES SINGLE PRESSURE CONNECTION IN |
| Pressure Connector Type | PLAIN, THREADED INTERNAL ALL CONNECTIONS |
| Operating Temp Rating | -40.0 CELSIUS MINIMUM AND 100.0 CELSIUS MAXIMUM DEGC |
| Inside Diameter | 0.750 INCHES NOMINAL ALL CONNECTIONS IN |
| Nonpile-Up Contact Arrangement | 1 POLE, DOUBLE THROW, ONE POSITION MOMENTARY |
| Media for Which Designed | LIQUID |
| Thread Class | 3B ALL PRESSURE CONNECTION |
| Contact Stimulus Rating | 4.50 ACTUATION POINT MAXIMUM GALLONS PER MINUTE AND 0.50 DIFFERENTIAL POINT NOMINAL GALLONS PER MINUTE |
| Thread Quantity Per Inch | 16 ALL PRESSURE CONNECTION |
| Thread Series Designator | UNF ALL 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 |
| Hazardous Locations/environmental Protection | MOISTURE PROOF |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 2939201-1 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| 83184-2 | 5/2 Secondary reference U.S. Government activity |
NSN 5930-01-126-8879 is a Switch,pressure, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-126-8879 has 1 manufacturer part number on file: 2939201-1 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
1 possible match (shared part number, not a government interchangeability claim): 4730-01-549-1535. Verify interchangeability with system specifications before substitution.
Key specifications for 2939201-1: Overall Height: 2.935 INCHES NOMINAL IN; Contact Action Stimulus: INCREASE; Terminal Type: CONNECTOR, RECEPTACLE; Contact Load Current Rating: 250.0 MILLIAMPERES RESISTIVE LOAD SINGLE 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.
NSN 5930-01-126-8879 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.