PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6404-1Switch,rotary

Mason Electric Co. Dba Mason Controls · NSN 5930-00-999-0741 · FSC 5930 · No Item Name Available
Verified by PartsTable
NSN 5930-00-999-0741 — this item is cataloged by the U.S. Government under National Stock Number 5930-00-999-0741. Primary manufacturer part number: 6404-1.
Features
  • Switch,rotary — FSC 5930
  • Contact Load Current Rating: 2.0 AMPERES RESISTIVE LOAD AC AT SEA LEVEL
  • Nominal Thread Size: 0.375 INCHES SINGLE MOUNTING FACILITY IN
  • Switch Contact Basic Design: NONPILE-UP SYMMETRICAL
  • First Flat Length: 0.375 INCHES NOMINAL SINGLE ACTUATOR IN
  • Throw Quantity: 12 EACH SECTION REAR
  • Shaft Length: 0.500 INCHES NOMINAL SINGLE ACTUATOR IN
  • Switch Actuator Positioning Increment: 30.0 DEGREES SINGLE ACTUATOR
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Switch,rotary, cataloged under National Stock Number 5930-00-999-0741, 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 Mason Electric Co. Dba Mason Controls. Government technical data includes 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5930-00-999-0741
Primary Part Number6404-1
Item NameSwitch,rotary
FSC / FSG5930 / 59 — No Item Name Available
ManufacturerMason Electric Co. Dba Mason Controls
StatusACTIVE
Contact Load Current Rating2.0 AMPERES RESISTIVE LOAD AC AT SEA LEVEL
Nominal Thread Size0.375 INCHES SINGLE MOUNTING FACILITY IN
Switch Contact Basic DesignNONPILE-UP SYMMETRICAL
First Flat Length0.375 INCHES NOMINAL SINGLE ACTUATOR IN
Throw Quantity12 EACH SECTION REAR
Shaft Length0.500 INCHES NOMINAL SINGLE ACTUATOR IN
Switch Actuator Positioning Increment30.0 DEGREES SINGLE ACTUATOR
Contact Load Current Rating1.0 AMPERES RESISTIVE LOAD DC AT SEA LEVEL
Terminal TypeTAB, SOLDER LUG
Thread Length0.500 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Thread Series DesignatorUNEF SINGLE MOUNTING FACILITY
Hazardous Locations/environmental ProtectionDUSTPROOF
Contact Switching ActionMAKES BEFORE BREAKS EACH SECTION REAR
Contact Voltage Rating in Volts28.0 DC AT SEA LEVEL
Flat Height0.216 INCHES NOMINAL SINGLE ACTUATOR IN
Individual Section Quantity6
Contact Voltage Rating in Volts115.0 AC AT SEA LEVEL
Pole Quantity1 EACH SECTION FRONT
Shaft TypeROUND, FLATTED SINGLE ACTUATOR
Contact Switching ActionMAKES BEFORE BREAKS EACH SECTION FRONT
Shaft Diameter0.250 INCHES NOMINAL SINGLE ACTUATOR IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
8030-00-181-7529 INTERCHANGEABLE
Sealing Compound
5915-00-501-01452920137-41 INTERCHANGEABLE
Filter,band Pass
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
6515-00-888-6122HUDRHO41U INTERCHANGEABLE
Mask,oronasal
Medline Industries, Lp
4510-00-971-8330 INTERCHANGEABLE
Trap,drain,plumbing Fixture
2835-01-180-222564041 INTERCHANGEABLE
Housing,oil Pump
Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions
Cross-Reference Index
Part NumberManufacturer
6404-1 PRIMARY Mason Electric Co. Dba Mason Controls (USA)
Related Parts
8030-00-181-7529INTERCHANGEABLE
SEALING COMPOUND
5915-00-501-0145INTERCHANGEABLE
FILTER,BAND PASS
2920137-41
6515-00-888-6122INTERCHANGEABLE
MASK,ORONASAL
HUDRHO41U
4510-00-971-8330INTERCHANGEABLE
TRAP,DRAIN,PLUMBING FIXTURE
2835-01-180-2225INTERCHANGEABLE
HOUSING,OIL PUMP
64041

Frequently Asked Questions

What is NSN 5930-00-999-0741?

NSN 5930-00-999-0741 is a Switch,rotary, manufactured by Mason Electric Co. Dba Mason Controls, classified under FSC 5930 (No Item Name Available). Status: active.

What are the part numbers for NSN 5930-00-999-0741?

NSN 5930-00-999-0741 has 1 cross-referenced part number: 6404-1 (Mason Electric Co. Dba Mason Controls).

What NSN replaces 5930-00-999-0741?

There are 5 known substitutes for 5930-00-999-0741: 8030-00-181-7529, 5915-00-501-0145, 6515-00-888-6122 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 6404-1?

Key specifications for 6404-1: Contact Load Current Rating: 2.0 AMPERES RESISTIVE LOAD AC AT SEA LEVEL; Nominal Thread Size: 0.375 INCHES SINGLE MOUNTING FACILITY IN; Switch Contact Basic Design: NONPILE-UP SYMMETRICAL; First Flat Length: 0.375 INCHES NOMINAL SINGLE ACTUATOR IN. 21 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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