PartsTable
Technical Data Sheet
PartsTable / MRO / 0121A0025-1
0121A0025-1 ✓ 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_width: 1.750 INCHES NOMINAL IN, body_height: 1.380 INCHES NOMINAL IN, body_length: 6.000 INCHES NOMINAL IN, body_material: METAL, inclosure_type: HERMETICALLY SEALED, overall_height: 1.755 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 5915-01-356-4195, 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→ 0121A0025-1
NSN: 5915-01-356-4195
FSC: 5915
CAGE: 54497 — MARTIN MARIETTA TECHNOLOGIES INC SUB OF MARTIN MARIETTA CORP AERO AND NAVAL SYSTEMS (USA)
SPECIFICATIONS
body_width1.750 INCHES NOMINAL IN
body_height1.380 INCHES NOMINAL IN
body_length6.000 INCHES NOMINAL IN
body_materialMETAL
inclosure_typeHERMETICALLY SEALED
overall_height1.755 INCHES NOMINAL IN
overall_length6.000 INCHES NOMINAL IN
special_featuresTWO FILTERED FUNCTIONS
style_designatorRECTANGULAR TERMINAL/TERMINALS ON TWO SURFACES
nominal_thread_size0.138 INCHES IN
operating_temp_range+0.0 TO 50.0 CELSIUS DEGC
load_impedance_per_function50.0 OHMS 2ND RADIO INTERFERENCE SECOND FUNCTION
NSN5915-01-356-4195
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available FILTER,RADIO FREQUENCY INTERFERE TITLE COMPONENT PN 0121A0025-1 MFR FILTER,RADIO FREQUENCY
KEY FEATURES
•
STYLE DESIGNATOR: RECTANGULAR TERMINAL/TERMINALS ON TWO SURFACES
•
MOUNTING FACILITY SCREW THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
•
BODY WIDTH: 1.750 INCHES NOMINAL IN
•
NOMINAL THREAD SIZE: 0.138 INCHES IN
•
BODY MATERIAL: METAL
•
OPERATING VOLTAGE RATING AND TYPE PER FUNCTION: 125.0 VOLTS AC 1ST RADIO INTERFERENCE FIRST FUNCTION
•
PRINCIPAL CIRCUITRY TYPE PER FUNCTION: INDUCTANCE-CAPACITANCE 2ND RADIO INTERFERENCE SECOND FUNCTION
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORRECTANGULAR TERMINAL/TERMINALS ON TWO SURFACES
MOUNTING FACILITY SCREW THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
BODY WIDTH1.750 INCHES NOMINAL IN
NOMINAL THREAD SIZE0.138 INCHES IN
BODY MATERIALMETAL
OPERATING VOLTAGE RATING AND TYPE PER FUNCTION125.0 VOLTS AC 1ST RADIO INTERFERENCE FIRST FUNCTION
SPECIAL FEATURESTWO FILTERED FUNCTIONS
PRINCIPAL CIRCUITRY TYPE PER FUNCTIONINDUCTANCE-CAPACITANCE 2ND RADIO INTERFERENCE SECOND FUNCTION
PRINCIPAL CIRCUITRY TYPE PER FUNCTIONINDUCTANCE-CAPACITANCE 1ST RADIO INTERFERENCE FIRST FUNCTION
SOURCE IMPEDANCE RATING PER FUNCTION50.0 OHMS 1ST RADIO INTERFERENCE FIRST FUNCTION
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
111439Interchangeable
interchangeable cross-reference
interchangeable
G-111439Interchangeable
interchangeable cross-reference
interchangeable
111439-1Interchangeable
interchangeable cross-reference
interchangeable
4365001-1Interchangeable
interchangeable cross-reference
interchangeable
4365001-2Interchangeable
interchangeable cross-reference
interchangeable
111455Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 0121A0025-1?
0121A0025-1 is a FILTER,RADIO FREQUENCY INTERFERE. It is classified as a MRO (MRO_GENERAL).
What parts can replace 0121A0025-1?
There are 9 known substitutes for 0121A0025-1: 111439, G-111439, 111439-1 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 0121A0025-1?
0121A0025-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5915-01-356-4195. 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