PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

121901LFSwitch,rotary

Electro Switch Corp. Dba Electro Switch Corp · NSN 5930-00-334-8924 · FSC 5930 · No Item Name Available
Verified by PartsTable
NSN 5930-00-334-8924 — this item is cataloged by the U.S. Government under National Stock Number 5930-00-334-8924. Primary manufacturer part number: 121901LF.
Features
  • Switch,rotary — FSC 5930
  • Throw Quantity: 2 SINGLE SECTION FRONT
  • Longest Horizontal Distance Between Mounting Centers: 1.625 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
  • Terminal Type: TAB W/SCREW
  • Shaft Type: ROUND, SQUARE, THREADED HOLE SINGLE ACTUATOR
  • Pole Quantity: 1 SINGLE SECTION FRONT
  • Switch Actuator Positioning Increment: 90.0 DEGREES SINGLE ACTUATOR
  • Knob Manufacturer Code: 04009
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Switch,rotary, cataloged under National Stock Number 5930-00-334-8924, 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 Electro Switch Corp. Dba Electro Switch Corp. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5930-00-334-8924
Primary Part Number121901LF
Item NameSwitch,rotary
FSC / FSG5930 / 59 — No Item Name Available
ManufacturerElectro Switch Corp. Dba Electro Switch Corp
StatusACTIVE
Throw Quantity2 SINGLE SECTION FRONT
Longest Horizontal Distance Between Mounting Centers1.625 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Terminal TypeTAB W/SCREW
Shaft TypeROUND, SQUARE, THREADED HOLE SINGLE ACTUATOR
Pole Quantity1 SINGLE SECTION FRONT
Switch Actuator Positioning Increment90.0 DEGREES SINGLE ACTUATOR
Knob Manufacturer Code04009
Features ProvidedACTUATOR KNOB
Longest Vertical Distance Between Mounting Centers1.625 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Switch Actuator Indexing Position Quantity4 SINGLE ACTUATOR
Unthreaded Mounting Hole Diameter0.250 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Mounting Facility PatternFOUR POSITION RECTANGULAR SINGLE MOUNTING FACILITY
Individual Section Quantity1
Contact Load Current Rating10.0 AMPERES RESISTIVE LOAD HIGHEST AC VOLTAGE RATING AT SEA LEVEL
Contact Voltage Rating in Volts125.0 LOWEST AC VOLTAGE RATING AT SEA LEVEL
Contact Voltage Rating in Volts250.0 HIGHEST AC VOLTAGE RATING AT SEA LEVEL
Shaft Diameter0.250 INCHES NOMINAL SINGLE ACTUATOR IN
Contact Load Current Rating5.0 AMPERES RESISTIVE LOAD LOWEST AC VOLTAGE RATING AT SEA LEVEL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
4730-00-725-0537UA612 INTERCHANGEABLE
Clamp,hose
Voss Industries, Llc
1650-00-922-324581619 INTERCHANGEABLE
Body,tank
Hydro-Aire Aerospace Corp
4730-01-501-907081619-3 INTERCHANGEABLE
Packing Nut
Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok
8105-01-696-863181619 INTERCHANGEABLE
Bag,tools and Spare Parts
Aerovironment, Inc.
Cross-Reference Index
Part NumberManufacturer
121901LF PRIMARY Electro Switch Corp. Dba Electro Switch Corp (USA)
81619 Cooper Industries Inc Cooper Distribution Equipment Div (USA)
Related Parts
4730-00-725-0537INTERCHANGEABLE
CLAMP,HOSE
UA612
1650-00-922-3245INTERCHANGEABLE
BODY,TANK
81619
4730-01-501-9070INTERCHANGEABLE
PACKING NUT
81619-3
8105-01-696-8631INTERCHANGEABLE
BAG,TOOLS AND SPARE PARTS
81619

Frequently Asked Questions

What is NSN 5930-00-334-8924?

NSN 5930-00-334-8924 is a Switch,rotary, manufactured by Electro Switch Corp. Dba Electro Switch Corp, classified under FSC 5930 (No Item Name Available). Status: active.

What are the part numbers for NSN 5930-00-334-8924?

NSN 5930-00-334-8924 has 2 cross-referenced part numbers: 121901LF (Electro Switch Corp. Dba Electro Switch Corp), 81619 (Cooper Industries Inc Cooper Distribution Equipment Div).

What NSN replaces 5930-00-334-8924?

There are 4 known substitutes for 5930-00-334-8924: 4730-00-725-0537, 1650-00-922-3245, 4730-01-501-9070 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 121901LF?

Key specifications for 121901LF: Throw Quantity: 2 SINGLE SECTION FRONT; Longest Horizontal Distance Between Mounting Centers: 1.625 INCHES NOMINAL SINGLE MOUNTING FACILITY IN; Terminal Type: TAB W/SCREW; Shaft Type: ROUND, SQUARE, THREADED HOLE SINGLE ACTUATOR. 19 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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