The Switch,rotary, cataloged under National Stock Number 5930-01-072-3942, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Electro Switch Corp Div Electroswitch. Government technical data includes 29 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5930-01-072-3942 |
| Primary Part Number | 73-1101-7-1D1N |
| Item Name | Switch,rotary |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Electro Switch Corp Div Electroswitch |
| Status | ACTIVE |
| Shaft Type | ROUND, FLATTED SINGLE ACTUATOR |
| Shaft Diameter | 0.250 INCHES NOMINAL SINGLE ACTUATOR IN |
| Switch Contact Basic Design | NONPILE-UP SYMMETRICAL |
| Nonturn Device Radius | 0.531 INCHES NOMINAL AT 9:00 OCLOCK IN |
| Terminal Type | TAB, SOLDER LUG |
| Overall Diameter | 1.500 INCHES NOMINAL IN |
| First Flat Length | 0.375 INCHES NOMINAL SINGLE ACTUATOR IN |
| Precious Material | SILVER |
| Rotor Through Connection Quantity | 1 SINGLE SECTION |
| Contact Load Current Rating | 300.0 MILLIAMPERES RESISTIVE LOAD AC AT SEA LEVEL |
| Contact Load Current Rating | 500.0 MILLIAMPERES RESISTIVE LOAD DC AT SEA LEVEL |
| Mounting Method | THREADED BUSHING SINGLE MOUNTING FACILITY |
| Thread Length | 0.375 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Pole Quantity | 1 SINGLE SECTION FRONT |
| Style Designator | TAP, CIRCULAR, BUSHING MOUNT |
| Individual Section Quantity | 1 |
| Nonturn Device Type | TAB AT 9:00 OCLOCK |
| Nominal Thread Size | 0.375 INCHES SINGLE MOUNTING FACILITY IN |
| Shaft Length | 0.625 INCHES NOMINAL SINGLE ACTUATOR IN |
| Switch Actuator Stop Device Type | FIXED STOP SINGLE ACTUATOR |
| Contact Switching Action | BREAKS BEFORE MAKES SINGLE SECTION REAR |
| Contact Voltage Rating in Volts | 125.0 AC AT SEA LEVEL |
| Contact Voltage Rating in Volts | 28.0 DC AT SEA LEVEL |
| Precious Material and Location | CONTACTS AND TERMINAL SURFACES SILVER |
| Thread Class | 2A SINGLE MOUNTING FACILITY A |
| Switch Actuator Positioning Increment | 36.0 DEGREES SINGLE ACTUATOR |
| Switch Actuator Indexing Position Quantity | 7 SINGLE ACTUATOR |
| Thread Series Designator | UNEF SINGLE MOUNTING FACILITY |
| Shaft Flat/slot Angular Location | 270.0 DEGREES FROM NONTURN DEVICE SINGLE ACTUATOR |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 73-1101-7-1D1N PRIMARY | Electro Switch Corp Div Electroswitch (USA) |
| Reference | Meaning |
|---|---|
| 122-330 | 5/9 Secondary reference U.S. Government activity |
| 44A30-02-1-03N | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 5930-01-072-3942 is a Switch,rotary, manufactured by Electro Switch Corp Div Electroswitch, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-072-3942 has 1 manufacturer part number on file: 73-1101-7-1D1N (Electro Switch Corp Div Electroswitch).
2 possible matches (shared part number, not a government interchangeability claim): 4720-01-615-0935, 1730-01-661-3718. Verify interchangeability with system specifications before substitution.
Key specifications for 73-1101-7-1D1N: Shaft Type: ROUND, FLATTED SINGLE ACTUATOR; Shaft Diameter: 0.250 INCHES NOMINAL SINGLE ACTUATOR IN; Switch Contact Basic Design: NONPILE-UP SYMMETRICAL; Nonturn Device Radius: 0.531 INCHES NOMINAL AT 9:00 OCLOCK IN. 29 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.
NSN 5930-01-072-3942 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.