The Switch,pressure, cataloged under National Stock Number 5930-01-577-8401, 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. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-01-577-8401 |
| Primary Part Number | 21SN41-52 |
| Item Name | Switch,pressure |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Eaton Aerospace Llc Dba Eaton Inoac Div Fluid & Electrical Distribution |
| Status | ACTIVE |
| 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 |
|---|---|
| 21SN41-52 PRIMARY | Eaton Aerospace Llc Dba Eaton Inoac Div Fluid & Electrical Distribution (USA) |
| Reference | Meaning |
|---|---|
| 5930PL1787943 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 5930-01-577-8401 is a Switch,pressure, manufactured by Eaton Aerospace Llc Dba Eaton Inoac Div Fluid & Electrical Distribution, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-577-8401 has 1 manufacturer part number on file: 21SN41-52 (Eaton Aerospace Llc Dba Eaton Inoac Div Fluid & Electrical Distribution).
Key specifications for 21SN41-52: Special Features: CONSISTS OF PRESSURE ELEMENT, SNAP ACTION SPRING SYSTEM, SNAP ACTION ELECTRICAL SWITCH AND COVER ASSEMBLY; STAINLESS STEEL DIAPHRAGM; STAINLESS COVER; MAXIMUM SYSTME PRESSURE: 60PSI; PROOF PRESSURE: 150PSI; BURST PRESSURE: 225PSI; TEMP. -65 DEG.F TO +400 DEG. F CONTINUOUS (+425 DEG.F INTERMITENT); ELEC.: 2 AMP. 0 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.