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Technical Data Sheet
PartsTable / MRO / A1439
A1439 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
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 overall_length: 0.210 INCHES MAXIMUM IN, mounting_method: TERMINAL, terminal_length: 1.500 INCHES MINIMUM IN, overall_diameter: 0.230 INCHES MAXIMUM IN, special_features: JUNCTION PATTERN ARRANGEMENT: NPN, features_provided: HERMETICALLY SEALED CASE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5895-00-020-8811, 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
MRO→ MRO_GENERAL→ A1439
NSN: 5895-00-020-8811
FSC: 5895
CAGE: 82679 — THE TECHNICAL MATERIAL CORPORATION DBA T M C (USA)
SPECIFICATIONS
overall_length0.210 INCHES MAXIMUM IN
mounting_methodTERMINAL
terminal_length1.500 INCHES MINIMUM IN
overall_diameter0.230 INCHES MAXIMUM IN
special_featuresJUNCTION PATTERN ARRANGEMENT: NPN
features_providedHERMETICALLY SEALED CASE
internal_configurationJUNCTION CONTACT
semiconductor_materialSILICON
terminal_circle_diameter0.100 INCHES NOMINAL IN
terminal_type_and_quantity4 UNINSULATED WIRE LEAD
power_rating_per_characteristic200.0 MILLIWATTS MAXIMUM TOTAL POWER DISSIPATION
current_rating_per_characteristic50.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC
NSN5895-00-020-8811
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available FILTER,RADIO FREQUENCY INTERFERE TITLE COMPONENT PN A1439 MFR FILTER,RADIO FREQUENCY
KEY FEATURES
•
OVERALL DIAMETER: 6.250 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL LENGTH0.531 INCHES NOMINAL IN
END ITEM IDENTIFICATIONTRANSMITTER SET,RADIO AN/FRT-52 THRU AN/FRT-54
OVERALL DIAMETER6.250 INCHES NOMINAL IN
OVERALL LENGTH0.531 INCHES NOMINAL IN
END ITEM IDENTIFICATIONTRANSMITTER SET,RADIO AN/FRT-52 THRU AN/FRT-54
OVERALL DIAMETER6.250 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
11640528Interchangeable
interchangeable cross-reference
interchangeable
4517Interchangeable
interchangeable cross-reference
interchangeable
A1439Interchangeable
interchangeable cross-reference
interchangeable
8117ITEM21Interchangeable
interchangeable cross-reference
interchangeable
RT3798Interchangeable
interchangeable cross-reference
interchangeable
928299-101Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A1439?
A1439 is a FILTER,RADIO FREQUENCY INTERFERE. It is classified as a MRO (MRO_GENERAL).
What parts can replace A1439?
There are 8 known substitutes for A1439: 11640528, 4517, A1439 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A1439?
A1439 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5895-00-020-8811. 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