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PartsTable / COMPONENT / R21926
R21926 ✓ 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

FILTER,RADIO FREQUENCY INTERFERE. Key specifications include width: 0.375 INCHES NOMINAL IN, length: 0.425 INCHES NOMINAL IN, material: COPPER ALLOY OVERALL, body_width: 8.000 INCHES NOMINAL IN, head_style: PAN, body_length: 3.000 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 2520-00-163-2471, 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
R21926
NSN: 2520-00-163-2471
FSC: 2520
CAGE: 23926 — KOMATSU AMERICA CORPORATION (USA)
SPECIFICATIONS
width0.375 INCHES NOMINAL IN
length0.425 INCHES NOMINAL IN
materialCOPPER ALLOY OVERALL
body_width8.000 INCHES NOMINAL IN
head_stylePAN
body_length3.000 INCHES NOMINAL IN
head_height0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN
corner_shapeSQUARE INSIDE RIGHT CORNER
flange_width0.0400 INCHES MINIMUM AND 0.0500 INCHES MAXIMUM IN
thread_class2A A
body_diameter0.635 INCHES MINIMUM AND 0.665 INCHES MAXIMUM IN
body_materialMETAL
NSN2520-00-163-2471
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available FILTER,RADIO FREQUENCY INTERFERE TITLE COMPONENT PN R21926 MFR FILTER,RADIO FREQUENCY
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
21926Interchangeable
interchangeable cross-reference
interchangeable
15BAInterchangeable
interchangeable cross-reference
interchangeable
386645Interchangeable
interchangeable cross-reference
interchangeable
FA11-664Interchangeable
interchangeable cross-reference
interchangeable
7406388Interchangeable
interchangeable cross-reference
interchangeable
7417724Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is R21926?
R21926 is a FILTER,RADIO FREQUENCY INTERFERE.
What parts can replace R21926?
There are 11 known substitutes for R21926: 21926, 15BA, 386645 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for R21926?
R21926 is cataloged in the Federal Logistics Information System (FLIS) under NSN 2520-00-163-2471. 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