The Switch,sensitive, cataloged under National Stock Number 5930-01-178-4284, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Siemens Energy and Automation Inc Siemens Furnas Controls Div. Government technical data includes 15 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5930-01-178-4284 |
| Primary Part Number | 54BB23ED |
| Item Name | Switch,sensitive |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Siemens Energy and Automation Inc Siemens Furnas Controls Div |
| Status | ACTIVE |
| Actuator Diameter | 0.500 INCHES NOMINAL IN |
| Inclosure Type | FULLY INCLOSED |
| Body Style | HOLE MOUNTED |
| Housing Height | 3.312 INCHES NOMINAL IN |
| Actuator Style | ROUND |
| Center to Center Distance Between Housing Mounting Facilities Parallel to Length | 3.500 INCHES NOMINAL IN |
| Center to Center Distance Between Housing Mounting Facilities Parallel to Width | 4.875 INCHES NOMINAL IN |
| Housing Width | 6.188 INCHES NOMINAL IN |
| Nonpile-Up Contact Arrangement | 1 TWO CIRCUIT, DOUBLE BREAK/DOUBLE MAKE, BOTH POSITIONS MAINTAINED SINGLE SWITCH UNIT |
| Maximum Voltage Rating in Volts | 480.0 AC AND 500.0 DC |
| Terminal Type and Quantity | 4 SCREW |
| Housing Length | 4.625 INCHES NOMINAL IN |
| Actuator Height | 1.875 INCHES NOMINAL IN |
| Contact Load Current Rating at Maximum Rated Voltage | 100.000 MILLIAMPERES RESISTIVE DC AND 10.000 AMPERES RESISTIVE AC |
| Hazardous Locations/environmental Protection | WATERTIGHT |
| 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 |
|---|---|
| 54BB23ED PRIMARY | Siemens Energy and Automation Inc Siemens Furnas Controls Div (USA) |
| Reference | Meaning |
|---|---|
| 54BB24ED | C/1 Advisory reference — outside the item-of-supply concept Siemens Energy and Automation Inc Siemens Furnas Controls Div |
NSN 5930-01-178-4284 is a Switch,sensitive, manufactured by Siemens Energy and Automation Inc Siemens Furnas Controls Div, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-178-4284 has 1 manufacturer part number on file: 54BB23ED (Siemens Energy and Automation Inc Siemens Furnas Controls Div).
Key specifications for 54BB23ED: Overall Height: 4.500 INCHES NOMINAL IN; Actuator Diameter: 0.500 INCHES NOMINAL IN; Inclosure Type: FULLY INCLOSED; Body Style: HOLE MOUNTED. 15 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.