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Technical Data Sheet
PartsTable / COMPONENT / 4300-2521S2637-1H
4300-2521S2637-1H ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The SWITCH,ROTARY is a the manufacturer industrial component. Key specifications include shaft_type: RECTANGULAR/SQUARE, THREADED HOLE SINGLE ACTUATOR, pole_quantity: 2 EACH SECTION FRONT, terminal_type: TAB W/SCREW, throw_quantity: 2 EACH SECTION FRONT, mounting_method: BRACKET(S) SINGLE MOUNTING FACILITY, overall_diameter: 6.375 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5930-00-259-8882, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
4300-2521S2637-1H
NSN: 5930-00-259-8882
FSC: 5930
CAGE: 43689 — HUNTINGTON INGALLS INC DIV NEWPORT NEWS SHIPBUILDING (USA)
SPECIFICATIONS
shaft_typeRECTANGULAR/SQUARE, THREADED HOLE SINGLE ACTUATOR
pole_quantity2 EACH SECTION FRONT
terminal_typeTAB W/SCREW
throw_quantity2 EACH SECTION FRONT
mounting_methodBRACKET(S) SINGLE MOUNTING FACILITY
overall_diameter6.375 INCHES NOMINAL IN
features_providedACTUATOR KNOB AND METALLIC INCLOSURE
square_shaft_size0.252 INCHES NOMINAL SINGLE ACTUATOR IN
knob_manufacturer_code80064
contact_switching_actionBREAKS BEFORE MAKES EACH SECTION FRONT
mounting_facility_patternTHREE POSITION CIRCULAR SINGLE MOUNTING FACILITY
contact_load_current_rating10.0 AMPERES RESISTIVE LOAD AC AT SEA LEVEL
NSN5930-00-259-8882
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SWITCH,ROTARY TITLE COMPONENT PN 4300-2521S2637-1H MFR SWITCH,ROTARY
KEY FEATURES
•
OVERALL DIAMETER: 6.375 INCHES NOMINAL IN
•
SWITCH ACTUATOR POSITIONING INCREMENT: 45.0 DEGREES SINGLE ACTUATOR
•
SQUARE SHAFT SIZE: 0.252 INCHES NOMINAL SINGLE ACTUATOR IN
•
THROW QUANTITY: 2 EACH SECTION FRONT
•
SWITCH CONTACT BASIC DESIGN: NONPILE-UP SYMMETRICAL
•
FEATURES PROVIDED: ACTUATOR KNOB AND METALLIC INCLOSURE
•
TERMINAL TYPE: TAB W/SCREW
•
UNTHREADED MOUNTING HOLE DIAMETER: 0.375 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL DIAMETER6.375 INCHES NOMINAL IN
SWITCH ACTUATOR POSITIONING INCREMENT45.0 DEGREES SINGLE ACTUATOR
SQUARE SHAFT SIZE0.252 INCHES NOMINAL SINGLE ACTUATOR IN
THROW QUANTITY2 EACH SECTION FRONT
SWITCH CONTACT BASIC DESIGNNONPILE-UP SYMMETRICAL
FEATURES PROVIDEDACTUATOR KNOB AND METALLIC INCLOSURE
TERMINAL TYPETAB W/SCREW
UNTHREADED MOUNTING HOLE DIAMETER0.375 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
POLE QUANTITY2 EACH SECTION FRONT
MOUNTING FACILITY CIRCLE RADIUS2.812 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
M16SInterchangeable
interchangeable cross-reference
interchangeable
S2JR3A2Interchangeable
interchangeable cross-reference
interchangeable
MIL-S-15743Interchangeable
interchangeable cross-reference
interchangeable
S2JRM3-2Interchangeable
Same NIIN cross-reference
interchangeable
9000S6504-74055REV1Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4300-2521S2637-1H?
4300-2521S2637-1H is a SWITCH,ROTARY.
What parts can replace 4300-2521S2637-1H?
There are 5 known substitutes for 4300-2521S2637-1H: M16S, S2JR3A2, MIL-S-15743 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 4300-2521S2637-1H?
4300-2521S2637-1H is cataloged in the Federal Logistics Information System (FLIS) under NSN 5930-00-259-8882. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026