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Technical Data Sheet
PartsTable / MRO / F203U
F203U ✓ 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

The FILTER,BAND PASS is a the manufacturer industrial component. Key specifications include body_width: 2.625 INCHES NOMINAL IN, body_height: 3.375 INCHES NOMINAL IN, body_length: 2.875 INCHES NOMINAL IN, body_material: METAL, inclosure_type: PARTIALLY INCLOSED, DOUBLE SHELL, overall_height: 11.938 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 5915-00-281-0271, 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→ F203U
NSN: 5915-00-281-0271
FSC: 5915
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
body_width2.625 INCHES NOMINAL IN
body_height3.375 INCHES NOMINAL IN
body_length2.875 INCHES NOMINAL IN
body_materialMETAL
inclosure_typePARTIALLY INCLOSED, DOUBLE SHELL
overall_height11.938 INCHES NOMINAL IN
overall_length6.188 INCHES NOMINAL IN
mounting_methodFLANGE AND SLOT SINGLE GROUP
frequency_rating50.0 HERTZ MINIMUM AND 400.0 HERTZ MAXIMUM SINGLE COMPONENT
special_featuresFIRST AND SECOND PRIMARY WINDING TAPS USED TO SELECT DIFFERENT SECONDARY VOLTAGES
style_designatorRECTANGULAR TERMINAL/TERMINALS ON OPPOSITE SURFACES
mounting_slot_width0.188 INCHES NOMINAL SINGLE GROUP IN
NSN5915-00-281-0271
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available FILTER,BAND PASS TITLE COMPONENT PN F203U MFR FILTER,BAND PASS
KEY FEATURES
•
STYLE DESIGNATOR: RECTANGULAR TERMINAL/TERMINALS ON OPPOSITE SURFACES
•
OUTPUT TERMINAL MANUFACTURER CODE: 80058
•
OUTPUT TERMINAL IDENTIFICATION: N
•
FUNCTIONAL TERMINAL TYPE AND QUANTITY: 1 CONNECTOR, RECEPTACLE INPUT FIRST FUNCTION
•
TEST DATA DOCUMENT: 81349-MIL-F-14136 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
•
INPUT TERMINAL MANUFACTURER CODE: 80058
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORRECTANGULAR TERMINAL/TERMINALS ON OPPOSITE SURFACES
OUTPUT TERMINAL MANUFACTURER CODE80058
OVERALL HEIGHT11.938 INCHES NOMINAL IN
OUTPUT TERMINAL IDENTIFICATIONN
FUNCTIONAL TERMINAL TYPE AND QUANTITY1 CONNECTOR, RECEPTACLE INPUT FIRST FUNCTION
TEST DATA DOCUMENT81349-MIL-F-14136 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
INPUT TERMINAL MANUFACTURER CODE80058
SPECIAL FEATURESTERMINALS ON ONE SURFACE
INCLOSURE TYPEENCASED
INSERTION LOSS AT REFERENCE FREQUENCY PER FUNCTION IN DECIBELS1.0 BLANK LOCATION NOT OTHERWISE SPECIFIED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 26
GS55176Interchangeable
interchangeable cross-reference
interchangeable
SCD66623Interchangeable
interchangeable cross-reference
interchangeable
MIL-F-14136Interchangeable
interchangeable cross-reference
interchangeable
F199PARENUInterchangeable
interchangeable cross-reference
interchangeable
GS55175DRAWINGS0D66615Interchangeable
interchangeable cross-reference
interchangeable
F-197/UInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is F203U?
F203U is a FILTER,BAND PASS. It is classified as a MRO (MRO_GENERAL).
What parts can replace F203U?
There are 26 known substitutes for F203U: GS55176, SCD66623, MIL-F-14136 and 23 more. Substitute compatibility should be verified for your specific system.
What is the NSN for F203U?
F203U is cataloged in the Federal Logistics Information System (FLIS) under NSN 5915-00-281-0271. 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