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Technical Data Sheet
PartsTable / COMPONENT / 20663B
20663B ✓ 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 SECTION,ROTARY is a the manufacturer industrial component. Key specifications include width: 0.375 INCHES NOMINAL IN, length: 0.688 INCHES NOMINAL SQUARE END IN, material: ALUMINUM SLEEVE, thickness: 0.375 INCHES NOMINAL IN, base_style: CARTRIDGE TWO PIN POLARIZED, body_style: HOLE MOUNTED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3820-00-703-2271, 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
20663B
NSN: 3820-00-703-2271
FSC: 3820
CAGE: 18990 — EAGLE CRUSHER CO INC DBA STEDMAN MACHINE CO (USA)
SPECIFICATIONS
width0.375 INCHES NOMINAL IN
length0.688 INCHES NOMINAL SQUARE END IN
materialALUMINUM SLEEVE
thickness0.375 INCHES NOMINAL IN
base_styleCARTRIDGE TWO PIN POLARIZED
body_styleHOLE MOUNTED
body_width1.312 INCHES NOMINAL IN
face_width10.000 INCHES NOMINAL IN
lens_colorGREEN
body_height1.125 INCHES NOMINAL IN
body_length0.885 INCHES MAXIMUM IN
terminal_typePRINTED CIRCUIT
NSN3820-00-703-2271
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SWITCH SECTION,ROTARY TITLE COMPONENT PN 20663B MFR SWITCH SECTION,ROTARY
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
13050Interchangeable
interchangeable cross-reference
interchangeable
M65239-16Interchangeable
interchangeable cross-reference
interchangeable
M9501Interchangeable
interchangeable cross-reference
interchangeable
20741Interchangeable
interchangeable cross-reference
interchangeable
14450Interchangeable
interchangeable cross-reference
interchangeable
A-A-625Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 20663B?
20663B is a SWITCH SECTION,ROTARY.
What parts can replace 20663B?
There are 17 known substitutes for 20663B: 13050, M65239-16, M9501 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 20663B?
20663B is cataloged in the Federal Logistics Information System (FLIS) under NSN 3820-00-703-2271. 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