The Switch,rotary, cataloged under National Stock Number 5930-00-024-9802, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-00-024-9802 |
| Primary Part Number | 520981 |
| Item Name | Switch,rotary |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Shaft Type | ROUND SINGLE ACTUATOR |
| Shaft Diameter | 0.250 INCHES NOMINAL SINGLE ACTUATOR IN |
| Mounting Facility Pattern | TWO POSITION IN-LINE SINGLE MOUNTING FACILITY |
| Style Designator | TAP, SQUARE FRAME |
| Individual Section Quantity | 5 |
| Nominal Thread Size | 0.164 INCHES SINGLE MOUNTING FACILITY IN |
| Shaft Length | 0.938 INCHES NOMINAL SINGLE ACTUATOR IN |
| Thread Quantity Per Inch | 32 SINGLE MOUNTING FACILITY |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY |
| Longest Horizontal Distance Between Mounting Centers | 1.500 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| 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 |
|---|---|
| SPEC 3765-2 | Shallco, Inc (USA) |
| 520981 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| 173B632 | Lockheed Martin Corporation Div Rms (USA) |
NSN 5930-00-024-9802 is a Switch,rotary, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5930, Switches. Status: active.
NSN 5930-00-024-9802 has 3 manufacturer part numbers on file: SPEC 3765-2 (Shallco, Inc), 520981 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 173B632 (Lockheed Martin Corporation Div Rms).
1 possible match (shared part number, not a government interchangeability claim): 3020-00-417-2158. Verify interchangeability with system specifications before substitution.
Key specifications for 520981: Shaft Type: ROUND SINGLE ACTUATOR; Overall Height: 2.250 INCHES NOMINAL IN; Shaft Diameter: 0.250 INCHES NOMINAL SINGLE ACTUATOR IN; Mounting Facility Pattern: TWO POSITION IN-LINE SINGLE MOUNTING FACILITY. 10 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.