The Switch,electronic, cataloged under National Stock Number 5930-01-449-4281, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Robinson Laboratories Inc Dba Herley New England. Government technical data includes 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5930-01-449-4281 |
| Primary Part Number | MP4128 |
| Item Name | Switch,electronic |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Robinson Laboratories Inc Dba Herley New England |
| Status | ACTIVE |
| Circuit Construction Type | SOLID STATE |
| Average Life Measurement | NOT RATED |
| 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 |
|---|---|
| MP4128 PRIMARY | Robinson Laboratories Inc Dba Herley New England (USA) |
| Reference | Meaning |
|---|---|
| Q137022105 | C/1 Advisory reference — outside the item-of-supply concept Rockwell Del Inc Sub of Rockwell Intl Co |
NSN 5930-01-449-4281 is a Switch,electronic, manufactured by Robinson Laboratories Inc Dba Herley New England, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-449-4281 has 1 manufacturer part number on file: MP4128 (Robinson Laboratories Inc Dba Herley New England).
Key specifications for MP4128: Circuit Construction Type: SOLID STATE; Average Life Measurement: NOT RATED. 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.