PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

U28-5556Switch,rotary

Raytheon Company Dba Raytheon Co · NSN 5930-00-548-4630 · FSC 5930 · No Item Name Available
Verified by PartsTable
NSN 5930-00-548-4630 — this item is cataloged by the U.S. Government under National Stock Number 5930-00-548-4630. Primary manufacturer part number: U28-5556.
Features
  • Switch,rotary — FSC 5930
  • Switch Contact Basic Design: NONPILE-UP SYMMETRICAL
  • Contact Voltage Rating in Volts: 110.0 AC AT SEA LEVEL
  • Flat Height: 0.187 INCHES NOMINAL SINGLE ACTUATOR IN
  • First Flat Length: 0.375 INCHES NOMINAL SINGLE ACTUATOR IN
  • Terminal Type: TAB, SOLDER LUG
  • Thread Class: 2A SINGLE MOUNTING FACILITY A
  • Contact Switching Action: MAKES BEFORE BREAKS FIRST SECTION REAR
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Switch,rotary, cataloged under National Stock Number 5930-00-548-4630, is classified within Federal Supply Class 5930 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Raytheon Company Dba Raytheon Co. Government technical data includes 26 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5930-00-548-4630
Primary Part NumberU28-5556
Item NameSwitch,rotary
FSC / FSG5930 / 59 — No Item Name Available
ManufacturerRaytheon Company Dba Raytheon Co
StatusACTIVE
Switch Contact Basic DesignNONPILE-UP SYMMETRICAL
Contact Voltage Rating in Volts110.0 AC AT SEA LEVEL
Flat Height0.187 INCHES NOMINAL SINGLE ACTUATOR IN
First Flat Length0.375 INCHES NOMINAL SINGLE ACTUATOR IN
Terminal TypeTAB, SOLDER LUG
Thread Class2A SINGLE MOUNTING FACILITY A
Contact Switching ActionMAKES BEFORE BREAKS FIRST SECTION REAR
Thread Series DesignatorUNEF SINGLE MOUNTING FACILITY
Contact Voltage Rating in Volts28.0 DC AT SEA LEVEL
Pole Quantity1 SECOND SECTION FRONT
Switch Actuator Positioning Increment30.0 DEGREES SINGLE ACTUATOR
Nonturn Device TypeTAB AT 10:00 OCLOCK
Contact Switching ActionMAKES BEFORE BREAKS SECOND SECTION FRONT
Nominal Thread Size0.375 INCHES SINGLE MOUNTING FACILITY IN
Nonturn Device Radius0.531 INCHES NOMINAL AT 10:00 OCLOCK IN
Throw Quantity4 SECOND SECTION FRONT
Shaft TypeROUND, FLATTED SINGLE ACTUATOR
Shaft Diameter0.250 INCHES NOMINAL SINGLE ACTUATOR IN
Pole Quantity1 FIRST SECTION REAR
Individual Section Quantity2
Thread Length0.375 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Mounting MethodTHREADED BUSHING SINGLE MOUNTING FACILITY
Shaft Length1.000 INCHES NOMINAL SINGLE ACTUATOR IN
Contact Load Current Rating0.5 AMPERES RESISTIVE LOAD AC AT SEA LEVEL
Throw Quantity4 FIRST SECTION REAR
Switch Actuator Indexing Position Quantity4 SINGLE ACTUATOR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
3110-00-555-5217 INTERCHANGEABLE
Bearing,ball,annular
Cross-Reference Index
Part NumberManufacturer
155018 Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch (USA)
U28-5556 PRIMARY Raytheon Company Dba Raytheon Co (USA)
U28-5556 Raytheon Company Div Corp (USA)
Related Parts
3110-00-555-5217INTERCHANGEABLE
BEARING,BALL,ANNULAR

Frequently Asked Questions

What is NSN 5930-00-548-4630?

NSN 5930-00-548-4630 is a Switch,rotary, manufactured by Raytheon Company Dba Raytheon Co, classified under FSC 5930 (No Item Name Available). Status: active.

What are the part numbers for NSN 5930-00-548-4630?

NSN 5930-00-548-4630 has 3 cross-referenced part numbers: 155018 (Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch), U28-5556 (Raytheon Company Dba Raytheon Co), U28-5556 (Raytheon Company Div Corp).

What NSN replaces 5930-00-548-4630?

There is 1 known substitute for 5930-00-548-4630: 3110-00-555-5217. Verify interchangeability with system specifications before substitution.

What are the specifications of U28-5556?

Key specifications for U28-5556: Switch Contact Basic Design: NONPILE-UP SYMMETRICAL; Contact Voltage Rating in Volts: 110.0 AC AT SEA LEVEL; Overall Length: 4.625 INCHES NOMINAL IN; Flat Height: 0.187 INCHES NOMINAL SINGLE ACTUATOR IN. 30 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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