The Switch,pressure, cataloged under National Stock Number 5930-01-143-9927, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Hydraulics International, Inc. Dba Hydraulics International Inc. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-01-143-9927 |
| Primary Part Number | 83003-303 |
| Item Name | Switch,pressure |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Hydraulics International, Inc. Dba Hydraulics International Inc |
| Status | ACTIVE |
| Contact Action Stimulus | INCREASE |
| Contact Adjustment Range | +25.00 TO 100.00 ACTUATION POINT POUNDS PER SQUARE INCH |
| Pressure Switch Type | DIFFERENTIAL |
| Nonpile-Up Contact Arrangement | 1 TWO CIRCUIT, DOUBLE BREAK/DOUBLE MAKE, PERMANENT JUMPER WITH NO EXTERNAL TERMINAL, BOTH POSITIONS MAINTAINED |
| Contact Adjustability | DEACTUATION POINT ADJUSTABLE, PRESET AND ACTUATION POINT ADJUSTABLE, PRESET |
| 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 |
|---|---|
| 68A4D1149-1 | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| 83003-303 PRIMARY | Hydraulics International, Inc. Dba Hydraulics International Inc (USA) |
| Reference | Meaning |
|---|---|
| 1203PS1A-10-35 | 5/9 Secondary reference Orange Research Inc |
NSN 5930-01-143-9927 is a Switch,pressure, manufactured by Hydraulics International, Inc. Dba Hydraulics International Inc, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-143-9927 has 2 manufacturer part numbers on file: 68A4D1149-1 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), 83003-303 (Hydraulics International, Inc. Dba Hydraulics International Inc).
Key specifications for 83003-303: Overall Height: 2.000 INCHES NOMINAL IN; Contact Action Stimulus: INCREASE; Contact Adjustment Range: +25.00 TO 100.00 ACTUATION POINT POUNDS PER SQUARE INCH; Overall Length: 4.125 INCHES NOMINAL IN. 5 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.