The Switch Section,rotary, cataloged under National Stock Number 5930-01-009-0071, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch. Government technical data includes 18 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-01-009-0071 |
| Primary Part Number | 255940DHC |
| Item Name | Switch Section,rotary |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch |
| Status | ACTIVE |
| Switch Contact Basic Design | NONPILE-UP SYMMETRICAL |
| Terminal Type | CLIP |
| Contact Load Current Rating | 500.0 MILLIAMPERES RESISTIVE LOAD AND 50.0 MILLIAMPERES INDUCTIVE LOAD DC AT SEA LEVEL |
| Contact Load Current Rating | 50.0 MILLIAMPERES RESISTIVE LOAD AC AT SEA LEVEL |
| Contact Load Current Rating | 350.0 MILLIAMPERES RESISTIVE LOAD HIGHEST DC VOLTAGE RATING AT ALTITUDE |
| Contact Load Current Rating | 70.0 MILLIAMPERES RESISTIVE LOAD LOWEST DC VOLTAGE RATING AT ALTITUDE |
| Mounting Method | STRUT SINGLE MOUNTING FACILITY |
| Pole Quantity | 1 SINGLE SECTION FRONT |
| Pole Quantity | 1 SINGLE SECTION REAR |
| Contact Switching Action | BREAKS BEFORE MAKES SINGLE SECTION REAR |
| Contact Switching Action | BREAKS BEFORE MAKES SINGLE SECTION FRONT |
| Contact Voltage Rating in Volts | 300.0 AC AT SEA LEVEL |
| Contact Voltage Rating in Volts | 30.0 DC AT ALTITUDE |
| Contact Voltage Rating in Volts | 30.0 DC AT SEA LEVEL |
| Contact Voltage Rating in Volts | 150.0 AC AT ALTITUDE |
| Operating Temp Range | -54.0 TO 95.0 CELSIUS DEGC |
| Throw Quantity | 9 SINGLE SECTION REAR |
| Throw Quantity | 9 SINGLE SECTION FRONT |
| 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 |
|---|---|
| 269-2638-010 | Ebara Mfg Co. (JPN) |
| 255940DHC PRIMARY | Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch (USA) |
| Reference | Meaning |
|---|---|
| 269-2638-010 | 7/2 Vendor item drawing reference Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems |
| 269-2638-010 | 5/9 Secondary reference Ebara Mfg Co. |
NSN 5930-01-009-0071 is a Switch Section,rotary, manufactured by Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-009-0071 has 2 manufacturer part numbers on file: 269-2638-010 (Ebara Mfg Co.), 255940DHC (Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch).
Key specifications for 255940DHC: Switch Contact Basic Design: NONPILE-UP SYMMETRICAL; Terminal Type: CLIP; Contact Load Current Rating: 500.0 MILLIAMPERES RESISTIVE LOAD AND 50.0 MILLIAMPERES INDUCTIVE LOAD DC AT SEA LEVEL; Contact Load Current Rating: 50.0 MILLIAMPERES RESISTIVE LOAD AC AT SEA LEVEL. 18 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.