The Switch Section,rotary, cataloged under National Stock Number 5930-01-042-7643, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Triplett (bluffton) Corporation Dba Lfe Instruments. Government technical data includes 13 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. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-01-042-7643 |
| Primary Part Number | 22-542 |
| Item Name | Switch Section,rotary |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Triplett (bluffton) Corporation Dba Lfe Instruments |
| Status | ACTIVE |
| Switch Contact Basic Design | NONPILE-UP NONSYMMETRICAL |
| Terminal Type | CLIP |
| Precious Material | SILVER |
| Contact Load Current Rating | 500.0 MILLIAMPERES RESISTIVE LOAD AC AT SEA LEVEL |
| Contact Load Current Rating | 1.0 AMPERES RESISTIVE LOAD DC AT SEA LEVEL |
| Mounting Method | STRUT SINGLE MOUNTING FACILITY |
| Style Designator | SWITCH SECTION, ROTARY |
| Contact Switching Action | BREAKS BEFORE MAKES SINGLE SECTION REAR |
| Contact Switching Action | BREAKS BEFORE MAKES SINGLE SECTION FRONT |
| Contact Voltage Rating in Volts | 28.0 DC AT SEA LEVEL |
| Contact Voltage Rating in Volts | 110.0 AC AT SEA LEVEL |
| Precious Material and Location | CONTACT SURFACES SILVER |
| Body Thickness | 0.062 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 |
NSN 5930-01-042-7643 is a Switch Section,rotary, manufactured by Triplett (bluffton) Corporation Dba Lfe Instruments, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-042-7643 has 2 manufacturer part numbers on file: 22-542 (Triplett (bluffton) Corporation Dba Lfe Instruments), 22-542 (Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch).
2 possible matches (shared part number, not a government interchangeability claim): 5365-01-128-8609, 5975-01-292-2209. Verify interchangeability with system specifications before substitution.
Key specifications for 22-542: Overall Height: 2.312 INCHES NOMINAL IN; Switch Contact Basic Design: NONPILE-UP NONSYMMETRICAL; Terminal Type: CLIP; Precious Material: SILVER. 13 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.