The Switch,pressure, cataloged under National Stock Number 5930-01-516-8213, 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 8 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5930-01-516-8213 |
| Primary Part Number | 21C1-3-45 |
| Item Name | Switch,pressure |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Eaton Aerospace Llc Dba Eaton Inoac Div Fluid & Electrical Distribution |
| Status | ACTIVE |
| Body Diameter | 1.120 INCHES NOMINAL IN |
| Contact Action Stimulus | INCREASE |
| Terminal Type | SOLDER STUD |
| Overall Diameter | 1.270 INCHES NOMINAL IN |
| Style Designator | CYLINDRICAL |
| Pressure Switch Type | ABSOLUTE |
| Contact Adjustability | ACTUATION POINT NOT ADJUSTABLE AND DEACTUATION POINT NOT ADJUSTABLE |
| Contact Voltage Rating in Volts | 28.0 DC AT SEA LEVEL SINGLE VOLTAGE |
| 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 |
|---|---|
| E17W-H128 | United Electric Controls Co Div Precision Sensors Division (USA) |
| 21C1-3-45 PRIMARY | Eaton Aerospace Llc Dba Eaton Inoac Div Fluid & Electrical Distribution (USA) |
| Reference | Meaning |
|---|---|
| SC5930-0162-4 | 7/9 Vendor item drawing reference Drs Icas, Llc |
NSN 5930-01-516-8213 is a Switch,pressure, manufactured by Eaton Aerospace Llc Dba Eaton Inoac Div Fluid & Electrical Distribution, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-516-8213 has 2 manufacturer part numbers on file: E17W-H128 (United Electric Controls Co Div Precision Sensors Division), 21C1-3-45 (Eaton Aerospace Llc Dba Eaton Inoac Div Fluid & Electrical Distribution).
Key specifications for 21C1-3-45: Body Diameter: 1.120 INCHES NOMINAL IN; Contact Action Stimulus: INCREASE; Terminal Type: SOLDER STUD; Overall Diameter: 1.270 INCHES NOMINAL IN. 8 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.