The Switch,pressure, cataloged under National Stock Number 5930-00-802-6839, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Faria Beede Instruments, Inc. Dba Faria Beede Instruments Inc. Government technical data includes 15 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-00-802-6839 |
| Primary Part Number | PS4004 |
| Item Name | Switch,pressure |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Faria Beede Instruments, Inc. Dba Faria Beede Instruments Inc |
| Status | ACTIVE |
| Contact Action Stimulus | INCREASE |
| Terminal Type | TAB W/SCREW |
| Overall Diameter | 1.719 INCHES NOMINAL IN |
| Proof Pressure | 500.00 POUNDS PER SQUARE INCH LBS |
| Mounting Method | INLET CONNECTION |
| Style Designator | CYLINDRICAL |
| Outside Diameter | 0.125 INCHES NOMINAL SINGLE CONNECTION IN |
| Pressure Switch Type | GAGE |
| Nominal Thread Size | 0.125 INCHES SINGLE PRESSURE CONNECTION IN |
| Pressure Connector Type | PLAIN, THREADED EXTERNAL SINGLE CONNECTION |
| Nonpile-Up Contact Arrangement | 1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION |
| Media for Which Designed | GAS |
| Contact Stimulus Rating | 9.00 ACTUATION POINT MINIMUM POUNDS PER SQUARE INCH AND 11.00 ACTUATION POINT MAXIMUM POUNDS PER SQUARE INCH |
| Thread Series Designator | NPTF SINGLE PRESSURE CONNECTION |
| Contact Adjustability | ACTUATION POINT NOT ADJUSTABLE |
| 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 |
|---|---|
| PS4004 PRIMARY | Faria Beede Instruments, Inc. Dba Faria Beede Instruments Inc (USA) |
| Reference | Meaning |
|---|---|
| M4006 | C/1 Advisory reference — outside the item-of-supply concept Lister Petter Ltd |
| 2904-4 | 5/9 Secondary reference Faria Beede Instruments, Inc. Dba Faria Beede Instruments Inc |
NSN 5930-00-802-6839 is a Switch,pressure, manufactured by Faria Beede Instruments, Inc. Dba Faria Beede Instruments Inc, classified under FSC 5930, Switches. Status: active.
NSN 5930-00-802-6839 has 1 manufacturer part number on file: PS4004 (Faria Beede Instruments, Inc. Dba Faria Beede Instruments Inc).
4 possible matches (shared part number, not a government interchangeability claim): 3110-01-182-7482, 5930-01-458-6927, 5310-01-528-2307. Verify interchangeability with system specifications before substitution.
Key specifications for PS4004: Contact Action Stimulus: INCREASE; Terminal Type: TAB W/SCREW; Overall Diameter: 1.719 INCHES NOMINAL IN; Proof Pressure: 500.00 POUNDS PER SQUARE INCH LBS. 15 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.