The Switch Subassembly, cataloged under National Stock Number 5930-01-030-0490, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Killark Electric Mfg Co. Government technical data includes 2 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5930-01-030-0490 |
| Primary Part Number | X01BK |
| Item Name | Switch Subassembly |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Killark Electric Mfg Co |
| Status | ACTIVE |
| Component Type and Quantity | 1 HOUSING AND 1 BUTTON AND 1 ACTUATOR |
| Overall Diameter | 1.375 INCHES NOMINAL 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 |
|---|---|
| A-7825 | Killark Electric Mfg Co (USA) |
| X01BK PRIMARY | Killark Electric Mfg Co (USA) |
| Reference | Meaning |
|---|---|
| 67A274C516-1 | 7/2 Vendor item drawing reference Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| X02BK | 5/9 Secondary reference Killark Electric Mfg Co |
NSN 5930-01-030-0490 is a Switch Subassembly, manufactured by Killark Electric Mfg Co, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-030-0490 has 2 manufacturer part numbers on file: A-7825 (Killark Electric Mfg Co), X01BK (Killark Electric Mfg Co).
Key specifications for X01BK: Component Type and Quantity: 1 HOUSING AND 1 BUTTON AND 1 ACTUATOR; Overall Diameter: 1.375 INCHES NOMINAL IN; Overall Length: 1.781 INCHES NOMINAL IN; Special Features: BLACK PUSHBUTTON. 2 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.