The Switch,rotary, cataloged under National Stock Number 5930-00-503-3182, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Ward Leonard Ct Llc. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5930-00-503-3182 |
| Primary Part Number | J87-0048 |
| Item Name | Switch,rotary |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Ward Leonard Ct Llc |
| Status | ACTIVE |
| Shaft Type | ROUND, FLATTED SINGLE ACTUATOR |
| Switch Contact Basic Design | NONPILE-UP SYMMETRICAL |
| Terminal Type | TAB W/SCREW |
| Mounting Facility Pattern | FOUR POSITION CIRCULAR SINGLE MOUNTING FACILITY |
| Mounting Facility Circle Radius | 1.156 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Pole Quantity | 1 EACH SECTION FRONT |
| Individual Section Quantity | 3 |
| Knob Manufacturer Code | 80064 |
| Features Provided | ACTUATOR KNOB |
| Nominal Thread Size | 0.190 INCHES SINGLE MOUNTING FACILITY IN |
| Knob Manufacturer Part Number | 9S5401L1 |
| Contact Switching Action | BREAKS BEFORE MAKES EACH SECTION FRONT |
| Contact Voltage Rating in Volts | 125.0 LOWEST AC VOLTAGE RATING AT SEA LEVEL |
| Contact Voltage Rating in Volts | 450.0 HIGHEST AC VOLTAGE RATING AT SEA LEVEL |
| Contact Voltage Rating in Volts | 125.0 DC AT SEA LEVEL |
| Switch Actuator Positioning Increment | 90.0 DEGREES SINGLE ACTUATOR |
| Thread Quantity Per Inch | 24 SINGLE MOUNTING FACILITY |
| Switch Actuator Indexing Position Quantity | 4 SINGLE ACTUATOR |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY |
| Throw Quantity | 2 EACH SECTION FRONT |
| 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 |
|---|---|
| J87-0048 PRIMARY | Ward Leonard Ct Llc (USA) |
| Reference | Meaning |
|---|---|
| S1135 | 5/2 Secondary reference U.S. Government activity |
| J87-0048 | 5/9 Secondary reference Ward Leonard Ct Llc |
| 23280-5 | 3/9 Design control — primary reference Unisys Corp Defense Systems C S D Field Engineering |
NSN 5930-00-503-3182 is a Switch,rotary, manufactured by Ward Leonard Ct Llc, classified under FSC 5930, Switches. Status: active.
NSN 5930-00-503-3182 has 1 manufacturer part number on file: J87-0048 (Ward Leonard Ct Llc).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-031-6417. Verify interchangeability with system specifications before substitution.
Key specifications for J87-0048: Shaft Type: ROUND, FLATTED SINGLE ACTUATOR; Overall Height: 2.500 INCHES NOMINAL IN; Switch Contact Basic Design: NONPILE-UP SYMMETRICAL; Terminal Type: TAB W/SCREW. 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.