PartsTable
Technical Data Sheet
PartsTable / MRO / C443
C443 ✓ 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: 1.250 INCHES NOMINAL IN, body_length: 1.750 INCHES NOMINAL IN, body_material: METAL, overall_width: 1.250 INCHES NOMINAL IN, inclosure_type: ENCASED, overall_height: 1.375 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 1680-00-236-4090, 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→ C443
NSN: 1680-00-236-4090
FSC: 1680
CAGE: 02953 — PORTER P L CO (USA)
SPECIFICATIONS
body_width1.250 INCHES NOMINAL IN
body_length1.750 INCHES NOMINAL IN
body_materialMETAL
overall_width1.250 INCHES NOMINAL IN
inclosure_typeENCASED
overall_height1.375 INCHES NOMINAL IN
overall_length2.625 INCHES NOMINAL IN
style_designatorRECTANGULAR TERMINAL/TERMINALS ON ADJACENT SURFACES
body_surface_treatmentTIN
load_impedance_per_function50.0 OHMS BLANK LOCATION NOT OTHERWISE SPECIFIED
unthreaded_mounting_hole_diameter0.188 INCHES NOMINAL IN
mounting_facility_type_and_quantity2 UNTHREADED HOLE(S) LOCATION NOT OTHERWISE SPECIFIED
NSN1680-00-236-4090
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available FILTER,RADIO FREQUENCY INTERFERE TITLE COMPONENT PN C443 MFR FILTER,RADIO FREQUENCY
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
C442Interchangeable
interchangeable cross-reference
interchangeable
B1899Interchangeable
interchangeable cross-reference
interchangeable
SCC108662Interchangeable
interchangeable cross-reference
interchangeable
21660Interchangeable
interchangeable cross-reference
interchangeable
C443Interchangeable
interchangeable cross-reference
interchangeable
801E5563Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy C443?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is C443?
C443 is a FILTER,RADIO FREQUENCY INTERFERE. It is classified as a MRO (MRO_GENERAL).
What parts can replace C443?
There are 8 known substitutes for C443: C442, B1899, SCC108662 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for C443?
C443 is cataloged in the Federal Logistics Information System (FLIS) under NSN 1680-00-236-4090. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — C443

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026