PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

306-5307Switch,toggle

Mason Electric Co. Dba Mason Controls · NSN 5930-00-052-3121 · FSC 5930 · No Item Name Available
Verified by PartsTable
NSN 5930-00-052-3121 — this item is cataloged by the U.S. Government under National Stock Number 5930-00-052-3121. Primary manufacturer part number: 306-5307.
Features
  • Switch,toggle — FSC 5930
  • Hazardous Locations/environmental Protection: HUMIDITY RESISTANT AND FUNGUS RESISTANT
  • Maximum Voltage Rating in Volts: 28.0 DC
  • Nonpile-Up Contact Arrangement: 2 POLE, DOUBLE THROW, BOTH POSITIONS MAINTAINED SINGLE SWITCH UNIT
  • Inclosure Type: FULLY INCLOSED
  • Contact Load Current Rating at Maximum Rated Voltage: 5.000 AMPERES RESISTIVE DC
  • Body Style: PENDANT
  • Terminal Type and Quantity: 6 WIRE LEAD
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Switch,toggle, cataloged under National Stock Number 5930-00-052-3121, 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 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5930-00-052-3121
Primary Part Number306-5307
Item NameSwitch,toggle
FSC / FSG5930 / 59 — No Item Name Available
ManufacturerMason Electric Co. Dba Mason Controls
StatusACTIVE
Hazardous Locations/environmental ProtectionHUMIDITY RESISTANT AND FUNGUS RESISTANT
Maximum Voltage Rating in Volts28.0 DC
Nonpile-Up Contact Arrangement2 POLE, DOUBLE THROW, BOTH POSITIONS MAINTAINED SINGLE SWITCH UNIT
Inclosure TypeFULLY INCLOSED
Contact Load Current Rating at Maximum Rated Voltage5.000 AMPERES RESISTIVE DC
Body StylePENDANT
Terminal Type and Quantity6 WIRE LEAD
Body Length1.370 INCHES NOMINAL IN
ColorBLACK SINGLE ACTUATOR
Body Width1.215 INCHES NOMINAL IN
Actuator Height0.370 INCHES NOMINAL IN
Actuator Length0.468 INCHES NOMINAL IN
Actuator StyleRECTANGULAR
Actuator Position-Action RelationshipUP POSITION MAINTAINED AND CENTER POSITION MAINTAINED
Body Height1.400 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6250-00-151-525112-71 INTERCHANGEABLE
Lampholder
Lighting Components and Design Incorporated Dba Lc&d
3120-00-166-4795 INTERCHANGEABLE
Bearing,sleeve
2530-00-287-2321200001 INTERCHANGEABLE
Diaphragm,chamber,brake
Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems
3040-00-315-35161271 INTERCHANGEABLE
Shaft,tuner Assy
Drs Signal Solutions, Inc.
5950-00-523-8432SM-D-249091 INTERCHANGEABLE
Transformer,radio Frequency
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
4730-00-561-71931271 INTERCHANGEABLE
Plug,power Cylinder
Hawker Pacific Aerospace
5945-00-679-18579060219 INTERCHANGEABLE
Relay,electromagnetic
Us Army Aviation and Missile Command
2940-00-679-6076122-0229 INTERCHANGEABLE
Filter Element,fluid
Cummins Power Generation Inc.
3020-00-913-05611271 INTERCHANGEABLE
Gear,spur
Gsl Manufacturing Co.
2090-00-931-4536 INTERCHANGEABLE
Repair Kit,valve
Cross-Reference Index
Part NumberManufacturer
127-1 Adams Rite Mfg Co (USA)
127-107 Adams Rite Mfg Co (USA)
306-5307 PRIMARY Mason Electric Co. Dba Mason Controls (USA)
Related Parts
6250-00-151-5251INTERCHANGEABLE
LAMPHOLDER
12-71
3120-00-166-4795INTERCHANGEABLE
BEARING,SLEEVE
2530-00-287-2321INTERCHANGEABLE
DIAPHRAGM,CHAMBER,BRAKE
200001
3040-00-315-3516INTERCHANGEABLE
SHAFT,TUNER ASSY
1271
5950-00-523-8432INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
SM-D-249091
4730-00-561-7193INTERCHANGEABLE
PLUG,POWER CYLINDER
1271
5945-00-679-1857INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
9060219
2940-00-679-6076INTERCHANGEABLE
FILTER ELEMENT,FLUID
122-0229
3020-00-913-0561INTERCHANGEABLE
GEAR,SPUR
1271
2090-00-931-4536INTERCHANGEABLE
REPAIR KIT,VALVE
5355-00-960-7462INTERCHANGEABLE
KNOB
1271
8940-01-044-1953INTERCHANGEABLE
DIETARY SUPPLEMENT,THERAPEUTIC

Frequently Asked Questions

What is NSN 5930-00-052-3121?

NSN 5930-00-052-3121 is a Switch,toggle, 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 5930-00-052-3121?

NSN 5930-00-052-3121 has 3 cross-referenced part numbers: 127-1 (Adams Rite Mfg Co), 127-107 (Adams Rite Mfg Co), 306-5307 (Mason Electric Co. Dba Mason Controls).

What NSN replaces 5930-00-052-3121?

There are 12 known substitutes for 5930-00-052-3121: 6250-00-151-5251, 3120-00-166-4795, 2530-00-287-2321 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 306-5307?

Key specifications for 306-5307: Hazardous Locations/environmental Protection: HUMIDITY RESISTANT AND FUNGUS RESISTANT; Maximum Voltage Rating in Volts: 28.0 DC; Nonpile-Up Contact Arrangement: 2 POLE, DOUBLE THROW, BOTH POSITIONS MAINTAINED SINGLE SWITCH UNIT; Inclosure Type: FULLY INCLOSED. 18 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com