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Technical Data Sheet
PartsTable / COMPONENT / 4B26
4B26 ✓ 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: 2.000 INCHES NOMINAL IN, material: ASBESTOS FRICTION LINING, thickness: 0.160 INCHES NOMINAL IN, tube_type: RECTIFIER, lining_style: RECTANGULAR BLOCK PLAIN, overall_length: 18.562 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 5960-00-188-0945, 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
4B26
NSN: 5960-00-188-0945
FSC: 5960
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
width2.000 INCHES NOMINAL IN
materialASBESTOS FRICTION LINING
thickness0.160 INCHES NOMINAL IN
tube_typeRECTIFIER
lining_styleRECTANGULAR BLOCK PLAIN
overall_length18.562 INCHES NOMINAL IN
application_typeDRY
special_featuresMFTR. CLASSIFICATION:HALF-WAVE; ENVELOPE MATERIAL:GLASS
attachment_methodRIVETED
features_providedFLEXIBLE FRICTION LINING
fabrication_methodWOVEN
envelope_medium_typeGAS
NSN5960-00-188-0945
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available FILTER,RADIO FREQUENCY INTERFERE TITLE COMPONENT PN 4B26 MFR FILTER,RADIO FREQUENCY
KEY FEATURES
•
TUBE TYPE: RECTIFIER
•
NONDEFINITIVE SPEC/STD DATA: 4B26 TYPE
TECHNICAL CHARACTERISTICS (FLIS)
TUBE TYPERECTIFIER
NONDEFINITIVE SPEC/STD DATA4B26 TYPE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
4B26Interchangeable
interchangeable cross-reference
interchangeable
RELEASE314Interchangeable
interchangeable cross-reference
interchangeable
A1014Interchangeable
interchangeable cross-reference
interchangeable
A23-10AInterchangeable
interchangeable cross-reference
interchangeable
MILE1Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4B26?
4B26 is a FILTER,RADIO FREQUENCY INTERFERE.
What parts can replace 4B26?
There are 5 known substitutes for 4B26: 4B26, RELEASE314, A1014 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 4B26?
4B26 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5960-00-188-0945. 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