The Switch,mercury, cataloged under National Stock Number 5930-01-218-1805, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Acron Aviation, Inc.. Government technical data includes 6 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-01-218-1805 |
| Primary Part Number | 561-1601-02 |
| Item Name | Switch,mercury |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Acron Aviation, Inc. |
| Status | ACTIVE |
| Body Diameter | 0.290 INCHES MAXIMUM IN |
| Body Style | UNCASED |
| Body Length | 1.120 INCHES MAXIMUM IN |
| Switch Actuation Differential Angle | 45.0 DEGREES NOMINAL |
| Terminal Type and Quantity | 4 WIRE LEAD |
| Contact Load Current Rating at Maximum Rated Voltage | 1.000 AMPERES RESISTIVE AC |
| 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 |
|---|---|
| 561-1601-02 | Acron Aviation, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 0712-0706-99 | 3/2 Design control — primary reference U.S. Government activity |
| 0712-0702-99 | 5/9 Secondary reference U.S. Government activity |
NSN 5930-01-218-1805 is a Switch,mercury, manufactured by Acron Aviation, Inc., classified under FSC 5930, Switches. Status: active.
NSN 5930-01-218-1805 has 1 manufacturer part number on file: 561-1601-02 (Acron Aviation, Inc.).
Key specifications for 561-1601-02: Body Diameter: 0.290 INCHES MAXIMUM IN; Body Style: UNCASED; Body Length: 1.120 INCHES MAXIMUM IN; Special Features: OPERATING TEMP RANGE -65 DEG TO +212 DEG F DEGF. 6 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.