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Technical Data Sheet
PartsTable / MRO / 690421
690421 ✓ 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 body_width: 6.000 INCHES NOMINAL IN, body_height: 3.562 INCHES MINIMUM IN, body_length: 3.562 INCHES NOMINAL IN, body_material: METAL, overall_width: 7.250 INCHES NOMINAL IN, inclosure_type: ENCASED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5915-00-987-4525, 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→ 690421
NSN: 5915-00-987-4525
FSC: 5915
CAGE: 80249 — BAE SYSTEMS INFORMATION AND ELECTRONIC SYSTEMS INTEGRATION INC. (USA)
SPECIFICATIONS
body_width6.000 INCHES NOMINAL IN
body_height3.562 INCHES MINIMUM IN
body_length3.562 INCHES NOMINAL IN
body_materialMETAL
overall_width7.250 INCHES NOMINAL IN
inclosure_typeENCASED
overall_height1.562 INCHES NOMINAL IN
overall_length4.562 INCHES NOMINAL IN
style_designatorRECTANGULAR TERMINAL/TERMINALS ON OPPOSITE SURFACES
load_impedance_per_function50.0 OHMS BLANK LOCATION NOT OTHERWISE SPECIFIED
unthreaded_mounting_hole_diameter0.193 INCHES NOMINAL IN
mounting_facility_type_and_quantity6 UNTHREADED HOLE(S) LOCATION NOT OTHERWISE SPECIFIED
NSN5915-00-987-4525
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available FILTER,RADIO FREQUENCY INTERFERE TITLE COMPONENT PN 690421 MFR FILTER,RADIO FREQUENCY
KEY FEATURES
•
BODY HEIGHT: 3.562 INCHES MINIMUM IN
•
PRINCIPAL CIRCUITRY TYPE PER FUNCTION: INDUCTANCE-CAPACITANCE 1ST RADIO INTERFERENCE FIRST FUNCTION
•
UNTHREADED MOUNTING HOLE DIAMETER: 0.193 INCHES NOMINAL IN
•
DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY WIDTH: 4.500 INCHES NOMINAL IN
•
BODY WIDTH: 6.000 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
BODY HEIGHT3.562 INCHES MINIMUM IN
OVERALL WIDTH7.250 INCHES NOMINAL IN
PRINCIPAL CIRCUITRY TYPE PER FUNCTIONINDUCTANCE-CAPACITANCE 1ST RADIO INTERFERENCE FIRST FUNCTION
OVERALL LENGTH4.562 INCHES NOMINAL IN
UNTHREADED MOUNTING HOLE DIAMETER0.193 INCHES NOMINAL IN
DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY WIDTH4.500 INCHES NOMINAL IN
BODY WIDTH6.000 INCHES NOMINAL IN
PRINCIPAL CIRCUITRY TYPE PER FUNCTIONINDUCTANCE-CAPACITANCE 2ND RADIO INTERFERENCE SECOND FUNCTION
OPERATING VOLTAGE RATING AND TYPE PER FUNCTION125.0 VOLTS AC BLANK LOCATION NOT OTHERWISE SPECIFIED
STYLE DESIGNATORRECTANGULAR TERMINAL/TERMINALS ON OPPOSITE SURFACES
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
1001413Interchangeable
interchangeable cross-reference
interchangeable
26369Interchangeable
interchangeable cross-reference
interchangeable
SA9874-525Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 690421?
690421 is a FILTER,RADIO FREQUENCY INTERFERE. It is classified as a MRO (MRO_GENERAL).
What parts can replace 690421?
There are 3 known substitutes for 690421: 1001413, 26369, SA9874-525. Substitute compatibility should be verified for your specific system.
What is the NSN for 690421?
690421 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5915-00-987-4525. 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