PartsTable
Technical Data Sheet
PartsTable / MRO / GA1A-20
GA1A-20 ✓ 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: 0.875 INCHES NOMINAL IN, body_length: 2.000 INCHES NOMINAL IN, overall_width: 3.350 INCHES NOMINAL IN, inclosure_type: ENCASED, overall_height: 1.130 INCHES NOMINAL IN, overall_length: 2.780 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5915-00-570-4447, 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→ GA1A-20
NSN: 5915-00-570-4447
FSC: 5915
CAGE: 23880 — STANFORD APPLIED ENGINEERING INC (USA)
SPECIFICATIONS
body_width0.875 INCHES NOMINAL IN
body_length2.000 INCHES NOMINAL IN
overall_width3.350 INCHES NOMINAL IN
inclosure_typeENCASED
overall_height1.130 INCHES NOMINAL IN
overall_length2.780 INCHES NOMINAL IN
style_designatorRECTANGULAR TERMINAL/TERMINALS ON OPPOSITE SURFACES
unthreaded_mounting_hole_diameter0.188 INCHES NOMINAL IN
input_impedance_per_function_w/load50.0 OHMS 2ND RADIO INTERFERENCE SECOND FUNCTION
mounting_facility_type_and_quantity2 UNTHREADED HOLE(S) LOCATION NOT OTHERWISE SPECIFIED
functional_terminal_type_and_quantity2 TAB, SOLDER LUG INPUT AND 2 TAB, SOLDER LUG OUTPUT AND 1 TAB, SOLDER LUG GROUND LOCATION NOT OTHERWISE SPECIFIED
principal_circuitry_type_per_functionINDUCTANCE-CAPACITANCE 2ND RADIO INTERFERENCE SECOND FUNCTION
NSN5915-00-570-4447
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available FILTER,RADIO FREQUENCY INTERFERE TITLE COMPONENT PN GA1A-20 MFR FILTER,RADIO FREQUENCY
KEY FEATURES
•
INPUT IMPEDANCE PER FUNCTION W/LOAD: 50.0 OHMS 2ND RADIO INTERFERENCE SECOND FUNCTION
•
OUTPUT IMPEDANCE PER FUNCTION W/SOURCE ACROSS INPUT: 50.0 OHMS 2ND RADIO INTERFERENCE SECOND FUNCTION
•
OPERATING CURRENT RATING PER FUNCTION IN AMPS: 20.0 1ST RADIO INTERFERENCE FIRST FUNCTION
•
PRINCIPAL CIRCUITRY TYPE PER FUNCTION: INDUCTANCE-CAPACITANCE 2ND RADIO INTERFERENCE SECOND FUNCTION
•
MOUNTING FACILITY TYPE AND QUANTITY: 2 UNTHREADED HOLE(S) LOCATION NOT OTHERWISE SPECIFIED
•
OPERATING VOLTAGE RATING AND TYPE PER FUNCTION: 250.0 VOLTS AC 1ST RADIO INTERFERENCE FIRST FUNCTION
TECHNICAL CHARACTERISTICS (FLIS)
INPUT IMPEDANCE PER FUNCTION W/LOAD50.0 OHMS 2ND RADIO INTERFERENCE SECOND FUNCTION
OUTPUT IMPEDANCE PER FUNCTION W/SOURCE ACROSS INPUT50.0 OHMS 2ND RADIO INTERFERENCE SECOND FUNCTION
OPERATING CURRENT RATING PER FUNCTION IN AMPS20.0 1ST RADIO INTERFERENCE FIRST FUNCTION
OPERATING CURRENT RATING PER FUNCTION IN AMPS20.0 2ND RADIO INTERFERENCE SECOND FUNCTION
PRINCIPAL CIRCUITRY TYPE PER FUNCTIONINDUCTANCE-CAPACITANCE 2ND RADIO INTERFERENCE SECOND FUNCTION
MOUNTING FACILITY TYPE AND QUANTITY2 UNTHREADED HOLE(S) LOCATION NOT OTHERWISE SPECIFIED
PRINCIPAL CIRCUITRY TYPE PER FUNCTIONINDUCTANCE-CAPACITANCE 1ST RADIO INTERFERENCE FIRST FUNCTION
OPERATING VOLTAGE RATING AND TYPE PER FUNCTION250.0 VOLTS AC 1ST RADIO INTERFERENCE FIRST FUNCTION
POWER LINE FREQUENCY RATING PER FUNCTION IN HERTZ400.0 1ST RADIO INTERFERENCE FIRST FUNCTION
DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY LENGTH2.380 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
2-300-011-02Interchangeable
interchangeable cross-reference
interchangeable
HTDZ213-2Interchangeable
interchangeable cross-reference
interchangeable
2-300-011Interchangeable
interchangeable cross-reference
interchangeable
3-12706-053Interchangeable
interchangeable cross-reference
interchangeable
840479-3Interchangeable
interchangeable cross-reference
interchangeable
17-14602-3Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is GA1A-20?
GA1A-20 is a FILTER,RADIO FREQUENCY INTERFERE. It is classified as a MRO (MRO_GENERAL).
What parts can replace GA1A-20?
There are 19 known substitutes for GA1A-20: 2-300-011-02, HTDZ213-2, 2-300-011 and 16 more. Substitute compatibility should be verified for your specific system.
Is GA1A-20 still available?
GA1A-20 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026