The Switch,rotary, cataloged under National Stock Number 5930-01-044-8721, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Idec Systems and Controls Corp. 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-01-044-8721 |
| Primary Part Number | ASN320 |
| Item Name | Switch,rotary |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Idec Systems and Controls Corp |
| Status | ACTIVE |
| Switch Contact Basic Design | PILE-UP |
| Terminal Type | TAB W/SCREW |
| Contact Load Current Rating | 400.0 MILLIAMPERES RESISTIVE LOAD HIGHEST DC VOLTAGE RATING AT SEA LEVEL |
| Contact Load Current Rating | 6.0 AMPERES RESISTIVE LOAD LOWEST AC VOLTAGE RATING AT SEA LEVEL |
| Contact Load Current Rating | 1.5 AMPERES RESISTIVE LOAD HIGHEST AC VOLTAGE RATING AT SEA LEVEL |
| Contact Load Current Rating | 2.2 AMPERES RESISTIVE LOAD LOWEST DC VOLTAGE RATING AT SEA LEVEL |
| Style Designator | IN-LINE, CAM ACTUATED |
| Individual Section Quantity | 2 |
| Knob Manufacturer Code | 52830 |
| Features Provided | ACTUATOR KNOB AND CAM ACTUATED |
| Knob Manufacturer Part Number | DB1 |
| Contact Switching Action | BREAKS BEFORE MAKES EACH SECTION IN-LINE |
| Contact Voltage Rating in Volts | 600.0 HIGHEST AC VOLTAGE RATING AT SEA LEVEL |
| Contact Voltage Rating in Volts | 600.0 HIGHEST DC VOLTAGE RATING AT SEA LEVEL |
| Contact Voltage Rating in Volts | 110.0 LOWEST AC VOLTAGE RATING AT SEA LEVEL |
| Contact Voltage Rating in Volts | 110.0 LOWEST DC VOLTAGE RATING AT SEA LEVEL |
| Cam Actuated Switch Contact Arrangement | 1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION EACH SWITCH EACH SECTION IN-LINE |
| Thread Class | 2B SINGLE MOUNTING FACILITY |
| Switch Actuator Indexing Position Quantity | 2 SINGLE ACTUATOR |
| Hazardous Locations/environmental Protection | OIL RESISTANT |
| 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 |
|---|---|
| ASN320 PRIMARY | Idec Systems and Controls Corp (USA) |
| Reference | Meaning |
|---|---|
| 991018PIECE11 | 5/9 Secondary reference U.S. Government activity |
| 991018PIECE11 | C/1 Advisory reference — outside the item-of-supply concept Gulf Coast Holdings, Inc Dba Unidynamics |
| SS1-2MR-2A-DB1 | 5/9 Secondary reference Rundel-Idec |
| 991018PIECE11 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 5930-01-044-8721 is a Switch,rotary, manufactured by Idec Systems and Controls Corp, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-044-8721 has 1 manufacturer part number on file: ASN320 (Idec Systems and Controls Corp).
Key specifications for ASN320: Overall Height: 1.438 INCHES NOMINAL IN; Switch Contact Basic Design: PILE-UP; Terminal Type: TAB W/SCREW; Contact Load Current Rating: 400.0 MILLIAMPERES RESISTIVE LOAD HIGHEST DC VOLTAGE RATING AT SEA LEVEL. 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.