The Switch,rotary, cataloged under National Stock Number 5930-00-014-6536, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Technical Services Laboratory, Inc. Dba Technical Services Laboratory Inc. Government technical data includes 27 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-00-014-6536 |
| Primary Part Number | AB-283-1 |
| Item Name | Switch,rotary |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Technical Services Laboratory, Inc. Dba Technical Services Laboratory Inc |
| Status | ACTIVE |
| Shaft Type | ROUND SINGLE ACTUATOR |
| Shaft Diameter | 0.250 INCHES NOMINAL SINGLE ACTUATOR IN |
| Switch Contact Basic Design | NONPILE-UP SYMMETRICAL |
| Nonturn Device Radius | 0.375 INCHES NOMINAL AT 3:00 OCLOCK IN |
| Terminal Type | TAB, SOLDER LUG |
| Precious Material | SILVER |
| Rotor Through Connection Quantity | 2 EACH SECTION |
| Contact Load Current Rating | 250.0 MILLIAMPERES RESISTIVE LOAD AC AT SEA LEVEL |
| Contact Load Current Rating | 500.0 MILLIAMPERES RESISTIVE LOAD DC AT SEA LEVEL |
| Mounting Method | THREADED BUSHING SINGLE MOUNTING FACILITY |
| Thread Length | 0.375 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Pole Quantity | 2 EACH SECTION FRONT |
| Style Designator | CIRCULAR WAFER, BUSHING MOUNT |
| Individual Section Quantity | 4 |
| Nonturn Device Type | TAB AT 3:00 OCLOCK |
| Nominal Thread Size | 0.375 INCHES SINGLE MOUNTING FACILITY IN |
| Shaft Length | 0.315 INCHES NOMINAL SINGLE ACTUATOR IN |
| Switch Actuator Stop Device Type | FIXED STOP SINGLE ACTUATOR |
| Contact Switching Action | BREAKS BEFORE MAKES EACH SECTION REAR |
| Contact Voltage Rating in Volts | 28.0 DC AT SEA LEVEL |
| Contact Voltage Rating in Volts | 110.0 AC AT SEA LEVEL |
| Precious Material and Location | CONTACT SURFACES SILVER |
| Thread Class | 2A SINGLE MOUNTING FACILITY A |
| Switch Actuator Positioning Increment | 30.0 DEGREES SINGLE ACTUATOR |
| Switch Actuator Indexing Position Quantity | 6 SINGLE ACTUATOR |
| Thread Series Designator | UNEF SINGLE MOUNTING FACILITY |
| Throw Quantity | 6 EACH SECTION REAR |
| 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 |
|---|---|
| AB-283-1 PRIMARY | Technical Services Laboratory, Inc. Dba Technical Services Laboratory Inc (USA) |
| 270578-A4 | Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch (USA) |
| Reference | Meaning |
|---|---|
| AB283-1 | C/1 Advisory reference — outside the item-of-supply concept Applied Communications a Div of Amstar Technical Products Co Inc an Affiliate of Amstar Corp |
| AB-283-1 | 3/9 Design control — primary reference Aiken Advanced Systems Inc a Div of Amstar Technical Products Inc an Affil of Amstar Corp |
NSN 5930-00-014-6536 is a Switch,rotary, manufactured by Technical Services Laboratory, Inc. Dba Technical Services Laboratory Inc, classified under FSC 5930, Switches. Status: active.
NSN 5930-00-014-6536 has 2 manufacturer part numbers on file: AB-283-1 (Technical Services Laboratory, Inc. Dba Technical Services Laboratory Inc), 270578-A4 (Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch).
Key specifications for AB-283-1: Shaft Type: ROUND SINGLE ACTUATOR; Overall Height: 1.000 INCHES NOMINAL IN; Shaft Diameter: 0.250 INCHES NOMINAL SINGLE ACTUATOR IN; Switch Contact Basic Design: NONPILE-UP SYMMETRICAL. 27 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.