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Technical Data Sheet
PartsTable / MRO / F-20399-1
F-20399-1 ✓ 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_length: 1.940 INCHES MINIMUM AND 2.060 INCHES MAXIMUM IN, inclosure_type: ENCASED, overall_length: 2.370 INCHES NOMINAL IN, style_designator: ROUND TERMINAL/TERMINALS ON OPPOSITE SURFACES, nominal_thread_size: 0.250 INCHES IN, body_outside_diameter: 0.655 INCHES MINIMUM AND 0.685 INCHES MAXIMUM 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 5915-00-450-8721, 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→ F-20399-1
NSN: 5915-00-450-8721
FSC: 5915
CAGE: 96733 — SFE TECHNOLOGIES (USA)
SPECIFICATIONS
body_length1.940 INCHES MINIMUM AND 2.060 INCHES MAXIMUM IN
inclosure_typeENCASED
overall_length2.370 INCHES NOMINAL IN
style_designatorROUND TERMINAL/TERMINALS ON OPPOSITE SURFACES
nominal_thread_size0.250 INCHES IN
body_outside_diameter0.655 INCHES MINIMUM AND 0.685 INCHES MAXIMUM IN
load_impedance_per_function50.0 OHMS BLANK LOCATION NOT OTHERWISE SPECIFIED
mounting_facility_type_and_quantity1 THREADED BUSHING LOCATION NOT OTHERWISE SPECIFIED
source_impedance_rating_per_function50.0 OHMS BLANK LOCATION NOT OTHERWISE SPECIFIED
functional_terminal_type_and_quantity1 TAB, SOLDER LUG INPUT FIRST FUNCTION
operating_current_rating_per_function_in_amps1.0 BLANK LOCATION NOT OTHERWISE SPECIFIED
operating_voltage_rating_and_type_per_function28.0 VOLTS DC BLANK LOCATION NOT OTHERWISE SPECIFIED
NSN5915-00-450-8721
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available FILTER,RADIO FREQUENCY INTERFERE TITLE COMPONENT PN F-20399-1 MFR FILTER,RADIO FREQUENCY
KEY FEATURES
•
BODY LENGTH: 1.940 INCHES MINIMUM AND 2.060 INCHES MAXIMUM IN
•
OPERATING CURRENT RATING PER FUNCTION IN AMPS: 1.0 BLANK LOCATION NOT OTHERWISE SPECIFIED
•
MOUNTING FACILITY SCREW THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
•
NOMINAL THREAD SIZE: 0.250 INCHES IN
•
SOURCE IMPEDANCE RATING PER FUNCTION: 50.0 OHMS BLANK LOCATION NOT OTHERWISE SPECIFIED
•
FUNCTIONAL TERMINAL TYPE AND QUANTITY: 1 TAB, SOLDER LUG OUTPUT SECOND FUNCTION
•
MOUNTING FACILITY TYPE AND QUANTITY: 1 THREADED BUSHING LOCATION NOT OTHERWISE SPECIFIED
TECHNICAL CHARACTERISTICS (FLIS)
BODY LENGTH1.940 INCHES MINIMUM AND 2.060 INCHES MAXIMUM IN
OPERATING CURRENT RATING PER FUNCTION IN AMPS1.0 BLANK LOCATION NOT OTHERWISE SPECIFIED
MOUNTING FACILITY SCREW THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
NOMINAL THREAD SIZE0.250 INCHES IN
SOURCE IMPEDANCE RATING PER FUNCTION50.0 OHMS BLANK LOCATION NOT OTHERWISE SPECIFIED
FUNCTIONAL TERMINAL TYPE AND QUANTITY1 TAB, SOLDER LUG OUTPUT SECOND FUNCTION
MOUNTING FACILITY TYPE AND QUANTITY1 THREADED BUSHING LOCATION NOT OTHERWISE SPECIFIED
FUNCTIONAL TERMINAL TYPE AND QUANTITY1 TAB, SOLDER LUG INPUT FIRST FUNCTION
OPERATING VOLTAGE RATING AND TYPE PER FUNCTION28.0 VOLTS DC BLANK LOCATION NOT OTHERWISE SPECIFIED
TEST DATA DOCUMENT87557-9118C6031 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING)
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
5172Interchangeable
interchangeable cross-reference
interchangeable
170416Interchangeable
interchangeable cross-reference
interchangeable
268-1556Interchangeable
interchangeable cross-reference
interchangeable
3246783REVBInterchangeable
interchangeable cross-reference
interchangeable
306A852Interchangeable
interchangeable cross-reference
interchangeable
677311-3Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is F-20399-1?
F-20399-1 is a FILTER,RADIO FREQUENCY INTERFERE. It is classified as a MRO (MRO_GENERAL).
What parts can replace F-20399-1?
There are 18 known substitutes for F-20399-1: 5172, 170416, 268-1556 and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for F-20399-1?
F-20399-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5915-00-450-8721. 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