The Switch,rotary, cataloged under National Stock Number 5930-00-574-8607, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Industrial Research and Development Inc. Government technical data includes 13 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5930-00-574-8607 |
| Primary Part Number | 1RM8-27 |
| Item Name | Switch,rotary |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Industrial Research and Development Inc |
| Status | ACTIVE |
| Shaft Type | ROUND, FLAT, UNDERCUT SINGLE ACTUATOR |
| Shaft Diameter | 0.250 INCHES NOMINAL SINGLE ACTUATOR IN |
| Terminal Type | SCREW |
| Mounting Facility Pattern | TWO POSITION IN-LINE SINGLE MOUNTING FACILITY |
| First Flat Length | 0.220 INCHES NOMINAL SINGLE ACTUATOR IN |
| Nominal Thread Size | 0.138 INCHES SINGLE MOUNTING FACILITY IN |
| Shaft Length | 0.790 INCHES NOMINAL SINGLE ACTUATOR IN |
| Switch Actuator Positioning Increment | 45.0 DEGREES SINGLE ACTUATOR |
| Thread Quantity Per Inch | 32 SINGLE MOUNTING FACILITY |
| Switch Actuator Indexing Position Quantity | 6 SINGLE ACTUATOR |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY |
| Flat Height | 0.180 INCHES NOMINAL SINGLE ACTUATOR IN |
| Longest Horizontal Distance Between Mounting Centers | 1.000 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 |
|---|---|
| 1RM8-27 PRIMARY | Industrial Research and Development Inc (USA) |
| L218823-1 | Raytheon Company Dba Raytheon Co (USA) |
| Reference | Meaning |
|---|---|
| 7AS812 | 5/9 Secondary reference U.S. Government activity |
| 1RM8-27 | 5/9 Secondary reference U.S. Government activity |
NSN 5930-00-574-8607 is a Switch,rotary, manufactured by Industrial Research and Development Inc, classified under FSC 5930, Switches. Status: active.
NSN 5930-00-574-8607 has 2 manufacturer part numbers on file: 1RM8-27 (Industrial Research and Development Inc), L218823-1 (Raytheon Company Dba Raytheon Co).
Key specifications for 1RM8-27: Shaft Type: ROUND, FLAT, UNDERCUT SINGLE ACTUATOR; Overall Height: 1.609 INCHES NOMINAL IN; Shaft Diameter: 0.250 INCHES NOMINAL SINGLE ACTUATOR IN; Terminal Type: SCREW. 13 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.