The Switch,rotary, cataloged under National Stock Number 5930-00-259-8965, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Naval Inventory Control Point Mechanicsburg. Government technical data includes 19 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-00-259-8965 |
| Primary Part Number | 1SRSS4A |
| Item Name | Switch,rotary |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Shaft Type | ROUND SINGLE ACTUATOR |
| Shaft Diameter | 0.218 INCHES NOMINAL SINGLE ACTUATOR IN |
| Switch Contact Basic Design | NONPILE-UP SYMMETRICAL |
| Terminal Type | TAB W/SCREW |
| Mounting Facility Pattern | TWO POSITION IN-LINE SINGLE MOUNTING FACILITY |
| Contact Load Current Rating | 10.0 AMPERES RESISTIVE LOAD DC AT SEA LEVEL |
| Contact Load Current Rating | 10.0 AMPERES RESISTIVE LOAD AC AT SEA LEVEL |
| Mounting Method | BASE SINGLE MOUNTING FACILITY |
| Unthreaded Mounting Hole Diameter | 0.203 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Switch Actuator Momentary Position | CLOCKWISE AND COUNTERCLOCKWISE SINGLE ACTUATOR |
| Individual Section Quantity | 3 |
| Shaft Length | 0.234 INCHES NOMINAL SINGLE ACTUATOR IN |
| Contact Switching Action | BREAKS BEFORE MAKES EACH SECTION FRONT |
| Contact Voltage Rating in Volts | 125.0 AC AT SEA LEVEL |
| Contact Voltage Rating in Volts | 120.0 DC AT SEA LEVEL |
| Switch Actuator Positioning Increment | 90.0 DEGREES SINGLE ACTUATOR |
| Switch Actuator Indexing Position Quantity | 4 SINGLE ACTUATOR |
| Longest Horizontal Distance Between Mounting Centers | 1.969 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Hazardous Locations/environmental Protection | DUSTPROOF |
| 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 |
|---|---|
| 1SRSS4A PRIMARY | Naval Inventory Control Point Mechanicsburg (USA) |
NSN 5930-00-259-8965 is a Switch,rotary, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 5930, Switches. Status: active.
NSN 5930-00-259-8965 has 1 manufacturer part number on file: 1SRSS4A (Naval Inventory Control Point Mechanicsburg).
Key specifications for 1SRSS4A: Shaft Type: ROUND SINGLE ACTUATOR; Overall Height: 2.125 INCHES NOMINAL IN; Shaft Diameter: 0.218 INCHES NOMINAL SINGLE ACTUATOR IN; Switch Contact Basic Design: NONPILE-UP SYMMETRICAL. 19 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.