The Switch,rotary, cataloged under National Stock Number 5930-00-007-3849, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Shallcross Inc. Government technical data includes 27 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5930-00-007-3849 |
| Primary Part Number | 4E50A24-2X2787 |
| Item Name | Switch,rotary |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Shallcross Inc |
| Status | ACTIVE |
| Shaft Type | ROUND, FLATTED SINGLE ACTUATOR |
| Shaft Diameter | 0.249 INCHES MINIMUM AND 0.251 INCHES MAXIMUM SINGLE ACTUATOR IN |
| Switch Contact Basic Design | NONPILE-UP SYMMETRICAL |
| Nonturn Device Radius | 0.531 INCHES NOMINAL AT 12:00 OCLOCK IN |
| Terminal Type | TAB, SOLDER LUG |
| First Flat Length | 0.250 INCHES NOMINAL SINGLE ACTUATOR IN |
| Detent Rotational Torque Range | +2.000 TO 6.000 INCH-POUNDS SINGLE ACTUATOR IN |
| Contact Load Current Rating | 500.0 MILLIAMPERES RESISTIVE LOAD AC AT SEA LEVEL |
| Contact Load Current Rating | 2.0 AMPERES RESISTIVE LOAD DC AT SEA LEVEL |
| Mounting Method | THREADED BUSHING WITH PANEL SEAL SINGLE MOUNTING FACILITY |
| Thread Length | 0.312 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Pole Quantity | 1 EACH SECTION REAR |
| Style Designator | SQUARE WAFER, PANEL MOUNT |
| Individual Section Quantity | 2 |
| Nonturn Device Type | TAB AT 12:00 OCLOCK |
| Nominal Thread Size | 0.375 INCHES SINGLE MOUNTING FACILITY IN |
| Shaft Length | 1.000 INCHES NOMINAL SINGLE ACTUATOR IN |
| Switch Actuator Stop Device Type | ADJUSTABLE STOP SINGLE ACTUATOR |
| Contact Switching Action | BREAKS BEFORE MAKES EACH SECTION REAR |
| Contact Voltage Rating in Volts | 30.0 DC AT SEA LEVEL |
| Contact Voltage Rating in Volts | 120.0 AC AT SEA LEVEL |
| Operating Temp Range | -65.0 TO 125.0 CELSIUS DEGC |
| Thread Class | 2A SINGLE MOUNTING FACILITY A |
| Switch Actuator Positioning Increment | 15.0 DEGREES SINGLE ACTUATOR |
| Switch Actuator Indexing Position Quantity | 24 SINGLE ACTUATOR |
| Thread Series Designator | UNEF SINGLE MOUNTING FACILITY |
| Shaft Flat/slot Angular Location | 180.0 DEGREES FROM CONTACT POSITION 1 SINGLE ACTUATOR |
| 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 |
|---|---|
| 4E50A24-2X2787 | Shallcross Inc (USA) |
| Reference | Meaning |
|---|---|
| 69594-2 | 3/2 Design control — primary reference U.S. Government activity |
| 4E50A24-2X2787 | C/1 Advisory reference — outside the item-of-supply concept White Consolidated Industries Inc Universal Nolin Div |
NSN 5930-00-007-3849 is a Switch,rotary, manufactured by Shallcross Inc, classified under FSC 5930, Switches. Status: active.
NSN 5930-00-007-3849 has 1 manufacturer part number on file: 4E50A24-2X2787 (Shallcross Inc).
2 possible matches (shared part number, not a government interchangeability claim): 5315-00-056-2961, 4820-00-460-2874. Verify interchangeability with system specifications before substitution.
Key specifications for 4E50A24-2X2787: Shaft Type: ROUND, FLATTED SINGLE ACTUATOR; Overall Height: 3.031 INCHES NOMINAL IN; Shaft Diameter: 0.249 INCHES MINIMUM AND 0.251 INCHES MAXIMUM SINGLE ACTUATOR IN; Switch Contact Basic Design: NONPILE-UP SYMMETRICAL. 27 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.