The Switch,rotary, cataloged under National Stock Number 5930-01-734-9928, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc. Government technical data includes 11 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-01-734-9928 |
| Primary Part Number | MC-043100 |
| Item Name | Switch,rotary |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc |
| Status | ACTIVE |
| Thread Tolerance Class | 2.0 EXTERNAL SINGLE MOUNTING FACILITY |
| Mounting Facility Pattern | FOUR POSITION CIRCULAR SINGLE MOUNTING FACILITY |
| Overall Diameter | 3.248 INCHES NOMINAL IN |
| Mounting Method | UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY |
| Unthreaded Mounting Hole Diameter | 0.201 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Style Designator | TAP, SQUARE FRAME |
| Thread Class | 2A SINGLE MOUNTING FACILITY A |
| Switch Actuator Positioning Increment | 45.0 DEGREES SINGLE ACTUATOR |
| Thread Quantity Per Inch | 24 SINGLE MOUNTING FACILITY |
| Thread Series Designator | UNEF SINGLE MOUNTING FACILITY |
| Hazardous Locations/environmental Protection | WATERPROOF |
| 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 |
|---|---|
| MC-043100 | Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc (USA) |
| Reference | Meaning |
|---|---|
| MG-040866ITEM29 | C/1 Advisory reference — outside the item-of-supply concept Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc |
| 43902LD-4 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5930-01-734-9928 is a Switch,rotary, manufactured by Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-734-9928 has 1 manufacturer part number on file: MC-043100 (Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc).
Key specifications for MC-043100: Thread Tolerance Class: 2.0 EXTERNAL SINGLE MOUNTING FACILITY; Mounting Facility Pattern: FOUR POSITION CIRCULAR SINGLE MOUNTING FACILITY; Overall Diameter: 3.248 INCHES NOMINAL IN; Mounting Method: UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY. 11 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.