The Switch,lock, cataloged under National Stock Number 5930-01-078-3524, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 8 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-01-078-3524 |
| Primary Part Number | 407-4775343-77 |
| Item Name | Switch,lock |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Body Diameter | 1.500 INCHES NOMINAL IN |
| Inclosure Type | FULLY INCLOSED |
| Body Style | HOLE MOUNTED |
| Center to Center Distance Between Mounting Facilities Parallel to Diameter | 1.250 INCHES NOMINAL IN |
| Body Length | 2.500 INCHES MAXIMUM IN |
| Maximum Voltage Rating in Volts | 115.0 AC AND 28.0 DC |
| Terminal Type and Quantity | 12 TAB, SOLDER LUG |
| Contact Load Current Rating at Maximum Rated Voltage | 5.000 AMPERES RESISTIVE DC AND 2.500 AMPERES INDUCTIVE DC AND 15.000 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 |
|---|---|
| 407-4775343-77 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 69-1925-1 | 5/2 Secondary reference U.S. Government activity |
NSN 5930-01-078-3524 is a Switch,lock, manufactured by Naval Sea Systems Command, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-078-3524 has 1 manufacturer part number on file: 407-4775343-77 (Naval Sea Systems Command).
Key specifications for 407-4775343-77: Body Diameter: 1.500 INCHES NOMINAL IN; Overall Height: 1.500 INCHES NOMINAL IN; Inclosure Type: FULLY INCLOSED; Body Style: HOLE MOUNTED. 8 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.