The Switch,rotary, cataloged under National Stock Number 5930-01-138-9278, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is L-3 Communications Westwood Corporation Dba Nmp Division Div L3 Westwood Corporation. Government technical data includes 23 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-01-138-9278 |
| Primary Part Number | PL702237 ITEM 66 |
| Item Name | Switch,rotary |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | L-3 Communications Westwood Corporation Dba Nmp Division Div L3 Westwood Corporation |
| Status | ACTIVE |
| Switch Contact Basic Design | NONPILE-UP NONSYMMETRICAL |
| Terminal Type | SCREW |
| Mounting Facility Pattern | ISOSCELES TRIANGLE SINGLE MOUNTING FACILITY |
| Precious Material | SILVER |
| Contact Load Current Rating | 20.0 AMPERES RESISTIVE LOAD LOWEST AC VOLTAGE RATING AT SEA LEVEL |
| Contact Load Current Rating | 5.0 AMPERES RESISTIVE LOAD HIGHEST AC VOLTAGE RATING AT SEA LEVEL |
| Contact Load Current Rating | 400.0 MILLIAMPERES RESISTIVE LOAD DC AT SEA LEVEL |
| Mounting Method | BRACKET(S) AND THREADED HOLE(S) SINGLE MOUNTING FACILITY |
| Style Designator | TAP, CIRCUIT SELECTOR |
| Longest Vertical Distance Between Mounting Centers | 2.180 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Individual Section Quantity | 4 |
| Shortest Horizontal Distance Between Mounting Centers | 1.000 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Nominal Thread Size | 0.190 INCHES SINGLE MOUNTING FACILITY IN |
| Switch Actuator Stop Device Type | FIXED STOP SINGLE ACTUATOR |
| Contact Voltage Rating in Volts | 500.0 HIGHEST AC VOLTAGE RATING AT SEA LEVEL |
| Contact Voltage Rating in Volts | 125.0 LOWEST AC VOLTAGE RATING AT SEA LEVEL |
| Contact Voltage Rating in Volts | 355.0 DC AT SEA LEVEL |
| Precious Material and Location | CONTACTS AND ROTOR BLADE SURFACES SILVER |
| Thread Class | 2B SINGLE MOUNTING FACILITY |
| Switch Actuator Positioning Increment | 45.0 DEGREES SINGLE ACTUATOR |
| Switch Actuator Indexing Position Quantity | 2 SINGLE ACTUATOR |
| Thread Series Designator | UNF SINGLE MOUNTING FACILITY |
| Longest Horizontal Distance Between Mounting Centers | 2.000 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 |
|---|---|
| PL702237 ITEM 66 | L-3 Communications Westwood Corporation Dba Nmp Division Div L3 Westwood Corporation (USA) |
| PL702234 ITEM 51 | L-3 Communications Westwood Corporation Dba Nmp Division Div L3 Westwood Corporation (USA) |
| PL702700 ITEM 51 | L-3 Communications Westwood Corporation Dba Nmp Division Div L3 Westwood Corporation (USA) |
| Reference | Meaning |
|---|---|
| 243034G-003 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 24304G-003 | 3/2 Design control — primary reference U.S. Government activity |
| 5930PL0921581 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 5930-01-138-9278 is a Switch,rotary, manufactured by L-3 Communications Westwood Corporation Dba Nmp Division Div L3 Westwood Corporation, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-138-9278 has 3 manufacturer part numbers on file: PL702237 ITEM 66 (L-3 Communications Westwood Corporation Dba Nmp Division Div L3 Westwood Corporation), PL702234 ITEM 51 (L-3 Communications Westwood Corporation Dba Nmp Division Div L3 Westwood Corporation), PL702700 ITEM 51 (L-3 Communications Westwood Corporation Dba Nmp Division Div L3 Westwood Corporation).
Key specifications for PL702237 ITEM 66: Overall Height: 2.810 INCHES NOMINAL IN; Switch Contact Basic Design: NONPILE-UP NONSYMMETRICAL; Terminal Type: SCREW; Mounting Facility Pattern: ISOSCELES TRIANGLE SINGLE MOUNTING FACILITY. 23 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.