The Switch,pressure, cataloged under National Stock Number 5930-00-259-8316, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Avox Systems Inc Dba Avox Systems Inc. Government technical data includes 12 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-00-259-8316 |
| Primary Part Number | P904-1 |
| Item Name | Switch,pressure |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Avox Systems Inc Dba Avox Systems Inc |
| Status | ACTIVE |
| Contact Action Stimulus | INCREASE |
| Terminal Type | CONNECTOR, RECEPTACLE |
| Overall Diameter | 6.125 INCHES NOMINAL IN |
| Contact Load Current Rating | 4.0 AMPERES RESISTIVE LOAD SINGLE VOLTAGE |
| Mounting Method | BASE |
| Contact Adjustment Range | +1.00 TO 1.50 ACTUATION POINT INCHES OF WATER |
| Pressure Switch Type | DIFFERENTIAL |
| Contact Adjustment Type | EXTERNAL ACTUATION POINT HEX NUT |
| Nonpile-Up Contact Arrangement | 1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION |
| Contact Stimulus Rating | 0.30 DIFFERENTIAL POINT NOMINAL INCHES OF WATER |
| Contact Adjustability | ACTUATION POINT ADJUSTABLE, PRESET |
| 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 |
|---|---|
| P904-1 PRIMARY | Avox Systems Inc Dba Avox Systems Inc (USA) |
NSN 5930-00-259-8316 is a Switch,pressure, manufactured by Avox Systems Inc Dba Avox Systems Inc, classified under FSC 5930, Switches. Status: active.
NSN 5930-00-259-8316 has 1 manufacturer part number on file: P904-1 (Avox Systems Inc Dba Avox Systems Inc).
Key specifications for P904-1: Overall Height: 4.188 INCHES NOMINAL IN; Contact Action Stimulus: INCREASE; Terminal Type: CONNECTOR, RECEPTACLE; Overall Diameter: 6.125 INCHES NOMINAL IN. 12 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.