PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

44MY23093Switch,rotary

Grayhill Inc · NSN 5930-01-179-3417 · FSC 5930 · No Item Name Available
Verified by PartsTable
NSN 5930-01-179-3417 — this item is cataloged by the U.S. Government under National Stock Number 5930-01-179-3417. Primary manufacturer part number: 44MY23093.
Features
  • Switch,rotary — FSC 5930
  • Style Designator: TAP, CIRCULAR, BUSHING MOUNT
  • Contact Switching Action: BREAKS BEFORE MAKES FOURTH SECTION REAR
  • Contact Load Current Rating: 250.0 MILLIAMPERES RESISTIVE LOAD AND 100.0 MILLIAMPERES INDUCTIVE LOAD DC AT SEA LEVEL
  • Contact Load Current Rating: 75.0 MILLIAMPERES RESISTIVE LOAD AC AT SEA LEVEL
  • Contact Switching Action: BREAKS BEFORE MAKES FIRST SECTION REAR
  • Pole Quantity: 2 SECOND SECTION FRONT
  • Rotor Through Connection Quantity: 1 THIRD SECTION
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Switch,rotary, cataloged under National Stock Number 5930-01-179-3417, 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 Grayhill Inc. Government technical data includes 28 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5930-01-179-3417
Primary Part Number44MY23093
Item NameSwitch,rotary
FSC / FSG5930 / 59 — No Item Name Available
ManufacturerGrayhill Inc
StatusACTIVE
Style DesignatorTAP, CIRCULAR, BUSHING MOUNT
Contact Switching ActionBREAKS BEFORE MAKES FOURTH SECTION REAR
Contact Load Current Rating250.0 MILLIAMPERES RESISTIVE LOAD AND 100.0 MILLIAMPERES INDUCTIVE LOAD DC AT SEA LEVEL
Contact Load Current Rating75.0 MILLIAMPERES RESISTIVE LOAD AC AT SEA LEVEL
Contact Switching ActionBREAKS BEFORE MAKES FIRST SECTION REAR
Pole Quantity2 SECOND SECTION FRONT
Rotor Through Connection Quantity1 THIRD SECTION
Switch Actuator Positioning Increment30.0 DEGREES SINGLE ACTUATOR
Terminal TypeTAB, SOLDER LUG
Rotor Through Connection Quantity2 FIRST SECTION
Mounting MethodTHREADED BUSHING SINGLE MOUNTING FACILITY
Pole Quantity2 FIRST SECTION FRONT
Switch Contact Basic DesignNONPILE-UP SYMMETRICAL
Contact Voltage Rating in Volts28.0 DC AT SEA LEVEL
First Flat Length0.421 INCHES NOMINAL SINGLE ACTUATOR IN
Pole Quantity2 FOURTH SECTION FRONT
Individual Section Quantity4
Contact Voltage Rating in Volts115.0 AC AT SEA LEVEL
Shaft Length0.866 INCHES NOMINAL SINGLE ACTUATOR IN
Throw Quantity5 EACH SECTION REAR
Pole Quantity1 THIRD SECTION FRONT
Thread Series DesignatorUNEF SINGLE MOUNTING FACILITY
Thread Class2A SINGLE MOUNTING FACILITY A
Hazardous Locations/environmental ProtectionEXPLOSION PROOF
Rotor Through Connection Quantity2 FOURTH SECTION
Shaft Diameter0.250 INCHES NOMINAL SINGLE ACTUATOR IN
Thread Length0.375 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Rotor Through Connection Quantity2 SECOND SECTION
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
2530-00-933-413317541-2 INTERCHANGEABLE
Tie Rod,steering
Dana Corp Spicer Transmission Div
3030-01-074-659117540 MATCHED SET 2 INTERCHANGEABLE
Belts,v,matched Set
Carlisle Power Transmission Products Inc
Cross-Reference Index
Part NumberManufacturer
44MY23093 Grayhill Inc (USA)
77-1995-3 Janco Corporation Dba Janco Corp Div Mason Controls (USA)
44MY232092 Grayhill Inc (USA)
17541-2 Naval Electronic Systems Security Engineering Center (USA)
Related Parts
2530-00-933-4133INTERCHANGEABLE
TIE ROD,STEERING
17541-2
3030-01-074-6591INTERCHANGEABLE
BELTS,V,MATCHED SET
17540 MATCHED SET 2

Frequently Asked Questions

What is NSN 5930-01-179-3417?

NSN 5930-01-179-3417 is a Switch,rotary, manufactured by Grayhill Inc, classified under FSC 5930 (No Item Name Available). Status: active.

What are the part numbers for NSN 5930-01-179-3417?

NSN 5930-01-179-3417 has 4 cross-referenced part numbers: 44MY23093 (Grayhill Inc), 77-1995-3 (Janco Corporation Dba Janco Corp Div Mason Controls), 44MY232092 (Grayhill Inc), 17541-2 (Naval Electronic Systems Security Engineering Center).

What NSN replaces 5930-01-179-3417?

There are 2 known substitutes for 5930-01-179-3417: 2530-00-933-4133, 3030-01-074-6591. Verify interchangeability with system specifications before substitution.

What are the specifications of 44MY23093?

Key specifications for 44MY23093: Style Designator: TAP, CIRCULAR, BUSHING MOUNT; Contact Switching Action: BREAKS BEFORE MAKES FOURTH SECTION REAR; Contact Load Current Rating: 250.0 MILLIAMPERES RESISTIVE LOAD AND 100.0 MILLIAMPERES INDUCTIVE LOAD DC AT SEA LEVEL; Contact Load Current Rating: 75.0 MILLIAMPERES RESISTIVE LOAD AC AT SEA LEVEL. 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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