The Switch,pressure, cataloged under National Stock Number 5930-01-034-0121, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Custom Control Sensors, Llc. Government technical data includes 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5930-01-034-0121 |
| Primary Part Number | 40057-1 |
| Item Name | Switch,pressure |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Custom Control Sensors, Llc |
| Status | ACTIVE |
| Terminal Type | CONNECTOR, RECEPTACLE |
| Mounting Facility Pattern | FOUR POSITION RECTANGULAR |
| Proof Pressure | 240.00 POUNDS PER SQUARE INCH GAGE LBS |
| Mounting Method | BASE |
| Sensing Element Burst Pressure | 360.00 POUNDS PER SQUARE INCH GAGE LBS |
| Longest Vertical Distance Between Mounting Centers | 2.040 INCHES NOMINAL IN |
| Pressure Switch Type | DIFFERENTIAL |
| Operating Temp Rating | 65.0 FAHRENHEIT MINIMUM AND 165.0 FAHRENHEIT MAXIMUM DEGF |
| Media for Which Designed | GAS OR LIQUID |
| Contact Voltage Rating in Volts | 30.0 AC AT SEA LEVEL SINGLE VOLTAGE |
| Longest Horizontal Distance Between Mounting Centers | 2.480 INCHES NOMINAL IN |
| 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 |
|---|---|
| 40057-1 PRIMARY | Custom Control Sensors, Llc (USA) |
| Reference | Meaning |
|---|---|
| 10-3067-3 | 5/2 Secondary reference U.S. Government activity |
NSN 5930-01-034-0121 is a Switch,pressure, manufactured by Custom Control Sensors, Llc, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-034-0121 has 1 manufacturer part number on file: 40057-1 (Custom Control Sensors, Llc).
1 possible match (shared part number, not a government interchangeability claim): 9905-01-438-3552. Verify interchangeability with system specifications before substitution.
Key specifications for 40057-1: Terminal Type: CONNECTOR, RECEPTACLE; Mounting Facility Pattern: FOUR POSITION RECTANGULAR; Proof Pressure: 240.00 POUNDS PER SQUARE INCH GAGE LBS; Mounting Method: BASE. 11 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.