The Switch,lock, cataloged under National Stock Number 5930-01-579-4530, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Rockwell Automation, Inc. Dba Rockwell Automation. Government technical data includes 4 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5930-01-579-4530 |
| Primary Part Number | 440T-MRKSE10-0A |
| Item Name | Switch,lock |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Rockwell Automation, Inc. Dba Rockwell Automation |
| Status | ACTIVE |
| Inclosure Type | FULLY INCLOSED |
| Mounting Method | PANEL |
| Maximum Voltage Rating in Volts | 750.0 AC |
| Contact Load Current Rating at Maximum Rated Voltage | 20.000 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 |
|---|---|
| 440T-MRKSE10-0A PRIMARY | Rockwell Automation, Inc. Dba Rockwell Automation (USA) |
| Reference | Meaning |
|---|---|
| 440T-MRKSE10-0A | 3/9 Design control — primary reference Allen Bradley Co Electronics Div |
| 440T-MRKSE10A | 5/9 Secondary reference Allen Bradley Co Electronics Div |
NSN 5930-01-579-4530 is a Switch,lock, manufactured by Rockwell Automation, Inc. Dba Rockwell Automation, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-579-4530 has 1 manufacturer part number on file: 440T-MRKSE10-0A (Rockwell Automation, Inc. Dba Rockwell Automation).
Key specifications for 440T-MRKSE10-0A: Inclosure Type: FULLY INCLOSED; Mounting Method: PANEL; Special Features: SINGLE 316L STAINLESS STEEL CONSTRUCTION KEY; DIRECT DRIVE; 25A FUSE RATING; 0A KEY CODE; 8 N.O. CONTACT TYPE A; Maximum Voltage Rating in Volts: 750.0 AC. 4 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.