The Switch,rotary, cataloged under National Stock Number 5930-01-399-7955, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Northrop Grumman Systems Corporation. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-01-399-7955 |
| Primary Part Number | 1812120 |
| Item Name | Switch,rotary |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Contact Load Current Rating | 40.0 AMPERES RESISTIVE LOAD AC AT SEA LEVEL |
| Contact Voltage Rating in Volts | 120.0 AC AT SEA LEVEL |
| 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 |
|---|---|
| 1812120 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| BYE40-MBB1 | Powerware Corporation Dba Best Power (USA) |
NSN 5930-01-399-7955 is a Switch,rotary, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-399-7955 has 2 manufacturer part numbers on file: 1812120 (Northrop Grumman Systems Corporation), BYE40-MBB1 (Powerware Corporation Dba Best Power).
Key specifications for 1812120: Contact Load Current Rating: 40.0 AMPERES RESISTIVE LOAD AC AT SEA LEVEL; Contact Voltage Rating in Volts: 120.0 AC AT SEA LEVEL; Special Features: BY PASS SWITCH; End Item Identification: POWER SUPPLY. 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.