The Switch,pressure, cataloged under National Stock Number 5930-01-735-8763, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Eaton Aerospace Llc Dba Eaton Inoac Div Fluid & Electrical Distribution. Government technical data includes 7 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 | 5930-01-735-8763 |
| Primary Part Number | 21SN04-300B |
| Item Name | Switch,pressure |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Eaton Aerospace Llc Dba Eaton Inoac Div Fluid & Electrical Distribution |
| Status | ACTIVE |
| Proof Pressure | 41.1 BAR |
| Contact Load Current Rating | 2.0 AMPERES INDUCTIVE LOAD OVERALL |
| Style Designator | RECTANGULAR W/BRACKET |
| Pressure Switch Type | DIFFERENTIAL |
| Operating Temp Rating | 205.0 CELSIUS MAXIMUM DEGC |
| Media for Which Designed | GAS |
| Contact Voltage Rating in Volts | 28.0 DC AT ALTITUDE OVERALL |
| 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 |
|---|---|
| 21SN04-300B PRIMARY | Eaton Aerospace Llc Dba Eaton Inoac Div Fluid & Electrical Distribution (USA) |
NSN 5930-01-735-8763 is a Switch,pressure, manufactured by Eaton Aerospace Llc Dba Eaton Inoac Div Fluid & Electrical Distribution, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-735-8763 has 1 manufacturer part number on file: 21SN04-300B (Eaton Aerospace Llc Dba Eaton Inoac Div Fluid & Electrical Distribution).
Key specifications for 21SN04-300B: Overall Height: 2.40 INCHES NOMINAL IN; Proof Pressure: 41.1 BAR; Contact Load Current Rating: 2.0 AMPERES INDUCTIVE LOAD OVERALL; Style Designator: RECTANGULAR W/BRACKET. 7 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.