The Switch,pressure, cataloged under National Stock Number 5930-01-052-7538, 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 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Item Name | Switch,pressure |
| FSC / FSG | 5930 — Switches (FSG 59) |
| Manufacturers | Eaton Aerospace Llc Dba Eaton Inoac Div Fluid & Electrical Distribution (CAGE 02750); Spectrum Associates, Inc. (CAGE 55723) |
| Parameter | Value |
|---|---|
| NSN | 5930-01-052-7538 |
| Primary Part Number | 21SN04-140 |
| 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) |
| Part Number | Manufacturer |
|---|---|
| 21SN04-140 PRIMARY | Eaton Aerospace Llc Dba Eaton Inoac Div Fluid & Electrical Distribution (USA) |
| 5146-2 PRIMARY | Spectrum Associates, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 16VP030-2 | 7/2 Vendor item drawing reference U.S. Government activity |
| 5930PL1610728 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 5930PL1610731 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 5930-01-052-7538 is a Switch,pressure, manufactured by Eaton Aerospace Llc Dba Eaton Inoac Div Fluid & Electrical Distribution, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-052-7538 has 2 manufacturer part numbers on file: 21SN04-140 (Eaton Aerospace Llc Dba Eaton Inoac Div Fluid & Electrical Distribution), 5146-2 (Spectrum Associates, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 5340-01-126-9408. Verify interchangeability with system specifications before substitution.
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.