The Switch,rotary, cataloged under National Stock Number 5930-01-049-8273, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch. Government technical data includes 25 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5930-01-049-8273 |
| Primary Part Number | 11-21-21970-001 |
| Item Name | Switch,rotary |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch |
| Status | ACTIVE |
| Shaft Type | ROUND, FLATTED SINGLE ACTUATOR |
| Shaft Diameter | 0.247 INCHES MINIMUM AND 0.251 INCHES MAXIMUM SINGLE ACTUATOR IN |
| Switch Contact Basic Design | NONPILE-UP NONSYMMETRICAL |
| Nonturn Device Radius | 0.438 INCHES MINIMUM AND 0.438 INCHES MAXIMUM AT 3:00 OCLOCK IN |
| Terminal Type | QUICK DISCONNECT, MALE |
| First Flat Length | 0.437 INCHES NOMINAL SINGLE ACTUATOR IN |
| Precious Material | SILVER |
| Contact Load Current Rating | 38.0 AMPERES MOTOR LOAD HIGHEST AC VOLTAGE RATING AT SEA LEVEL |
| Contact Load Current Rating | 38.0 AMPERES MOTOR LOAD LOWEST AC VOLTAGE RATING AT SEA LEVEL |
| Mounting Method | THREADED BUSHING SINGLE MOUNTING FACILITY |
| Thread Length | 0.188 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Style Designator | TAP, SQUARE FRAME |
| Individual Section Quantity | 1 |
| Nonturn Device Type | TAB AT 9:00 OCLOCK |
| Nonturn Device Type | TAB AT 3:00 OCLOCK |
| Nominal Thread Size | 0.375 INCHES SINGLE MOUNTING FACILITY IN |
| Shaft Length | 0.437 INCHES NOMINAL SINGLE ACTUATOR IN |
| Contact Voltage Rating in Volts | 120.0 LOWEST AC VOLTAGE RATING AT SEA LEVEL |
| Contact Voltage Rating in Volts | 240.0 HIGHEST AC VOLTAGE RATING AT SEA LEVEL |
| Precious Material and Location | TERMINALS SILVER |
| Thread Class | 2A SINGLE MOUNTING FACILITY A |
| Switch Actuator Positioning Increment | 72.0 DEGREES SINGLE ACTUATOR |
| Switch Actuator Indexing Position Quantity | 5 SINGLE ACTUATOR |
| Thread Series Designator | UNF SINGLE MOUNTING FACILITY |
| Flat Height | 0.156 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 | X |
| Part Number | Manufacturer |
|---|---|
| 11-21-21970-001 | Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch (USA) |
| Reference | Meaning |
|---|---|
| 21-3509 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5930-01-049-8273 is a Switch,rotary, manufactured by Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-049-8273 has 1 manufacturer part number on file: 11-21-21970-001 (Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch).
1 possible match (shared part number, not a government interchangeability claim): 1377-01-435-8046. Verify interchangeability with system specifications before substitution.
Key specifications for 11-21-21970-001: Shaft Type: ROUND, FLATTED SINGLE ACTUATOR; Overall Height: 1.359 INCHES NOMINAL IN; Shaft Diameter: 0.247 INCHES MINIMUM AND 0.251 INCHES MAXIMUM SINGLE ACTUATOR IN; Switch Contact Basic Design: NONPILE-UP NONSYMMETRICAL. 25 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.