PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

123903LLSwitch,rotary

Electro Switch Corp. Dba Electro Switch Corp · NSN 5930-00-618-8602 · FSC 5930 · No Item Name Available
Verified by PartsTable
NSN 5930-00-618-8602 — this item is cataloged by the U.S. Government under National Stock Number 5930-00-618-8602. Primary manufacturer part number: 123903LL.
Features
  • Switch,rotary — FSC 5930
  • Features Provided: ACTUATOR KNOB
  • Shaft Type: ROUND, FLATTED, THREADED HOLE SINGLE ACTUATOR
  • Switch Actuator Indexing Position Quantity: 4 SINGLE ACTUATOR
  • Terminal Type: TAB W/SCREW
  • Flat Height: 0.312 INCHES NOMINAL SINGLE ACTUATOR IN
  • Nominal Thread Size: 0.250 INCHES SINGLE MOUNTING FACILITY IN
  • Contact Voltage Rating in Volts: 500.0 AC AT SEA LEVEL
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Switch,rotary, cataloged under National Stock Number 5930-00-618-8602, 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 20 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5930-00-618-8602
Primary Part Number123903LL
Item NameSwitch,rotary
FSC / FSG5930 / 59 — No Item Name Available
ManufacturerElectro Switch Corp. Dba Electro Switch Corp
StatusACTIVE
Features ProvidedACTUATOR KNOB
Shaft TypeROUND, FLATTED, THREADED HOLE SINGLE ACTUATOR
Switch Actuator Indexing Position Quantity4 SINGLE ACTUATOR
Terminal TypeTAB W/SCREW
Flat Height0.312 INCHES NOMINAL SINGLE ACTUATOR IN
Nominal Thread Size0.250 INCHES SINGLE MOUNTING FACILITY IN
Contact Voltage Rating in Volts500.0 AC AT SEA LEVEL
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY
Thread Quantity Per Inch20 SINGLE MOUNTING FACILITY
Contact Switching ActionBREAKS BEFORE MAKES EACH SECTION FRONT
Individual Section Quantity4
Mounting Facility PatternFOUR POSITION RECTANGULAR SINGLE MOUNTING FACILITY
First Flat Length0.500 INCHES NOMINAL SINGLE ACTUATOR IN
Longest Horizontal Distance Between Mounting Centers3.219 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Switch Actuator Positioning Increment90.0 DEGREES SINGLE ACTUATOR
Switch Contact Basic DesignNONPILE-UP SYMMETRICAL
Shaft Length1.188 INCHES NOMINAL SINGLE ACTUATOR IN
Contact Load Current Rating30.0 AMPERES RESISTIVE LOAD AC AT SEA LEVEL
Shaft Diameter0.375 INCHES NOMINAL SINGLE ACTUATOR IN
Longest Vertical Distance Between Mounting Centers3.219 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5940-00-534-1028 INTERCHANGEABLE
Terminal,lug
6625-00-610-57924250-020-38 INTERCHANGEABLE
Detecting Element,directional Co
Bird Electronic Corporation Div Bird Electronic Corp
4730-00-833-8669 INTERCHANGEABLE
Clamp,hose
6105-01-065-959520031-1 INTERCHANGEABLE
Rotor,motor
Ontic Engineering & Manufacturing, Inc Dba Ontic Us
4920-01-070-93052003-11 INTERCHANGEABLE
Bushing,tester Rece
Parker Hannifin Corporation Div Hydraulic Systems Division
5310-01-100-880840028600 INTERCHANGEABLE
Nut,self-Locking,hexagon
Hatz Diesel of America Inc
1005-01-359-004882048 INTERCHANGEABLE
Grip,rifle
Barrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc
6140-01-600-022082048 INTERCHANGEABLE
Battery,storage
R.g. Enterprises (u.s.a.), Inc. Dba Rg Enterprises Inc
Cross-Reference Index
Part NumberManufacturer
2-0031-1 Star Manufacturing International Inc. Dba Lang Manufacturing Company (USA)
82048 Cam Fabricated Systems Inc (USA)
123903LL PRIMARY Electro Switch Corp. Dba Electro Switch Corp (USA)
Related Parts
5940-00-534-1028INTERCHANGEABLE
TERMINAL,LUG
6625-00-610-5792INTERCHANGEABLE
DETECTING ELEMENT,DIRECTIONAL CO
4250-020-38
4730-00-833-8669INTERCHANGEABLE
CLAMP,HOSE
6105-01-065-9595INTERCHANGEABLE
ROTOR,MOTOR
20031-1
4920-01-070-9305INTERCHANGEABLE
BUSHING,TESTER RECE
2003-11
5310-01-100-8808INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
40028600
1005-01-359-0048INTERCHANGEABLE
GRIP,RIFLE
82048
6140-01-600-0220INTERCHANGEABLE
BATTERY,STORAGE
82048

Frequently Asked Questions

What is NSN 5930-00-618-8602?

NSN 5930-00-618-8602 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 5930-00-618-8602?

NSN 5930-00-618-8602 has 3 cross-referenced part numbers: 2-0031-1 (Star Manufacturing International Inc. Dba Lang Manufacturing Company), 82048 (Cam Fabricated Systems Inc), 123903LL (Electro Switch Corp. Dba Electro Switch Corp).

What NSN replaces 5930-00-618-8602?

There are 8 known substitutes for 5930-00-618-8602: 5940-00-534-1028, 6625-00-610-5792, 4730-00-833-8669 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 123903LL?

Key specifications for 123903LL: Overall Length: 4.188 INCHES NOMINAL IN; Features Provided: ACTUATOR KNOB; Shaft Type: ROUND, FLATTED, THREADED HOLE SINGLE ACTUATOR; Switch Actuator Indexing Position Quantity: 4 SINGLE ACTUATOR. 24 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