The Switch,rotary, cataloged under National Stock Number 5930-01-244-8349, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 20 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-01-244-8349 |
| Primary Part Number | 5550253-1 |
| Item Name | Switch,rotary |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Shaft Type | ROUND SINGLE ACTUATOR |
| Shaft Diameter | 0.250 INCHES NOMINAL SINGLE ACTUATOR IN |
| Switch Contact Basic Design | NONPILE-UP SYMMETRICAL |
| Terminal Type | TAB, SOLDER LUG |
| Overall Diameter | 1.170 INCHES NOMINAL IN |
| Rotor Through Connection Quantity | 1 EACH SECTION |
| Mounting Method | THREADED BUSHING SINGLE MOUNTING FACILITY |
| Thread Length | 0.437 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Pole Quantity | 1 EACH SECTION FRONT |
| Style Designator | TAP, CIRCULAR, BUSHING MOUNT |
| Individual Section Quantity | 5 |
| Nonturn Device Type | SLOTTED BUSHING AT 3:00 OCLOCK |
| Nominal Thread Size | 0.375 INCHES SINGLE MOUNTING FACILITY IN |
| Shaft Length | 2.000 INCHES NOMINAL SINGLE ACTUATOR IN |
| Contact Switching Action | BREAKS BEFORE MAKES EACH SECTION REAR |
| Thread Class | 2A SINGLE MOUNTING FACILITY A |
| Switch Actuator Positioning Increment | 60.0 DEGREES SINGLE ACTUATOR |
| Switch Actuator Indexing Position Quantity | 6 SINGLE ACTUATOR |
| Thread Series Designator | UNEF SINGLE MOUNTING FACILITY |
| Throw Quantity | 6 EACH SECTION REAR |
| 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 |
|---|---|
| 5550253-1 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 5550253 | 5/1 Secondary reference Naval Sea Systems Command |
| 44-MY-26365 | 5/9 Secondary reference U.S. Government activity |
| 44-MY-26365-1-06N | 3/9 Design control — primary reference U.S. Government activity |
NSN 5930-01-244-8349 is a Switch,rotary, manufactured by Naval Sea Systems Command, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-244-8349 has 1 manufacturer part number on file: 5550253-1 (Naval Sea Systems Command).
Key specifications for 5550253-1: Shaft Type: ROUND SINGLE ACTUATOR; Shaft Diameter: 0.250 INCHES NOMINAL SINGLE ACTUATOR IN; Switch Contact Basic Design: NONPILE-UP SYMMETRICAL; Terminal Type: TAB, SOLDER LUG. 20 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.