The Switch,rotary, cataloged under National Stock Number 5930-00-258-4255, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Dynalec Corporation. Government technical data includes 15 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through both NSN and commercial part number lookups. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5930-00-258-4255 |
| Primary Part Number | UA1633-2 |
| Item Name | Switch,rotary |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Dynalec Corporation |
| Status | ACTIVE |
| Shaft Type | ROUND, FLATTED, THREADED HOLE SINGLE ACTUATOR |
| Shaft Diameter | 0.373 INCHES NOMINAL SINGLE ACTUATOR IN |
| Switch Contact Basic Design | NONPILE-UP NONSYMMETRICAL |
| Terminal Type | TAB, SOLDER LUG |
| First Flat Length | 0.665 INCHES NOMINAL SINGLE ACTUATOR IN |
| Mounting Method | THREADED BUSHING SINGLE MOUNTING FACILITY |
| Thread Length | 0.673 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Criticality Code Justification | FEAT |
| Individual Section Quantity | 2 |
| Features Provided | ACTUATOR KNOB |
| Shaft Length | 2.312 INCHES NOMINAL SINGLE ACTUATOR IN |
| Contact Switching Action | BREAKS BEFORE MAKES EACH SECTION FRONT |
| Switch Actuator Positioning Increment | 22.5 DEGREES SINGLE ACTUATOR |
| Switch Actuator Indexing Position Quantity | 16 SINGLE ACTUATOR |
| Flat Height | 0.281 INCHES NOMINAL SINGLE ACTUATOR IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| UA1633-2 | Dynalec Corporation (USA) |
| 702002-813 | Dynalec Corporation (USA) |
| Reference | Meaning |
|---|---|
| 9000S650373436TYPEJA2C | 5/1 Secondary reference L-3 Communications Westwood Corporation Dba Nmp Division Div L3 Westwood Corporation |
| JA2C16 | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
| 9000S6503-73436 | 3/1 Design control — primary reference U.S. Government activity |
| 9000S6503-73436 | 5/1 Secondary reference L-3 Communications Westwood Corporation Dba Nmp Division Div L3 Westwood Corporation |
| 9000S6503-73436 | 5/9 Secondary reference Winchester Industries Inc |
| 9000S650373436TYPEJA2C | 3/2 Design control — primary reference U.S. Government activity |
| JA2C16 | 3/1 Design control — primary reference U.S. Government activity |
| 9000S650373436TYPEJA2C | 5/9 Secondary reference Winchester Industries Inc |
NSN 5930-00-258-4255 is a Switch,rotary, manufactured by Dynalec Corporation, classified under FSC 5930, Switches. Status: active.
NSN 5930-00-258-4255 has 2 manufacturer part numbers on file: UA1633-2 (Dynalec Corporation), 702002-813 (Dynalec Corporation).
1 possible match (shared part number, not a government interchangeability claim): 5930-00-258-4256. Verify interchangeability with system specifications before substitution.
Key specifications for UA1633-2: Shaft Type: ROUND, FLATTED, THREADED HOLE SINGLE ACTUATOR; Shaft Diameter: 0.373 INCHES NOMINAL SINGLE ACTUATOR IN; Switch Contact Basic Design: NONPILE-UP NONSYMMETRICAL; Terminal Type: TAB, SOLDER LUG. 15 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.