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Technical Data Sheet
PartsTable / MRO / F2478
F2478 ✓ 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: 1.375 INCHES NOMINAL IN, body_height: 3.000 INCHES MAXIMUM IN, body_length: 2.250 INCHES NOMINAL IN, body_material: METAL, inclosure_type: HERMETICALLY SEALED, overall_height: 3.625 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 5915-00-863-5829, 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→ F2478
NSN: 5915-00-863-5829
FSC: 5915
CAGE: 72149 — ELECTRONIC TRANSFORMER CORP DIV ELECTRONIC TRANSFORMER CORPORATION (USA)
SPECIFICATIONS
body_width1.375 INCHES NOMINAL IN
body_height3.000 INCHES MAXIMUM IN
body_length2.250 INCHES NOMINAL IN
body_materialMETAL
inclosure_typeHERMETICALLY SEALED
overall_height3.625 INCHES MAXIMUM IN
style_designatorRECTANGULAR TERMINAL/TERMINALS ON ONE SURFACE
nominal_thread_size0.138 INCHES IN
reference_frequency_per_function12.0 KILOHERTZ BLANK LOCATION NOT OTHERWISE SPECIFIED
frequency_band_width_per_function11.585 KILOHERTZ BLANK AND 12.415 KILOHERTZ BLANK LOCATION NOT OTHERWISE SPECIFIED
input_impedance_per_function_w/load50.0 KILOHMS BLANK LOCATION NOT OTHERWISE SPECIFIED
mounting_facility_type_and_quantity2 THREADED HOLE(S) LOCATION NOT OTHERWISE SPECIFIED
NSN5915-00-863-5829
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available FILTER,BAND PASS TITLE COMPONENT PN F2478 MFR FILTER,BAND PASS
KEY FEATURES
•
BODY HEIGHT: 3.000 INCHES MAXIMUM IN
•
FUNCTIONAL TERMINAL TYPE AND QUANTITY: 1 TAB, SOLDER LUG OUTPUT SECOND FUNCTION
•
FREQUENCY BAND WIDTH PER FUNCTION: 11.585 KILOHERTZ BLANK AND 12.415 KILOHERTZ BLANK LOCATION NOT OTHERWISE SPECIFIED
•
DISCRIMINATION AT SPECIFIED FREQUENCIES PER FUNCTION IN DECIBELS: 40.0 MINIMUM BLANK AND 3.0 MAXIMUM BLANK FIRST FUNCTION
•
NOMINAL THREAD SIZE: 0.138 INCHES IN
•
INPUT IMPEDANCE PER FUNCTION W/LOAD: 50.0 KILOHMS BLANK LOCATION NOT OTHERWISE SPECIFIED
•
SPECIFIED FREQUENCIES OF DISCRIMINATION PER FUNCTION: 11.17 KILOHERTZ BLANK AND 11.585 KILOHERTZ BLANK AND 12.415 KILOHERTZ BLANK AND 12.82 KILOHERTZ BLANK LOCATION NOT OTHERWISE SPECIFIED
•
BODY WIDTH: 1.375 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
BODY HEIGHT3.000 INCHES MAXIMUM IN
FUNCTIONAL TERMINAL TYPE AND QUANTITY1 TAB, SOLDER LUG OUTPUT SECOND FUNCTION
FREQUENCY BAND WIDTH PER FUNCTION11.585 KILOHERTZ BLANK AND 12.415 KILOHERTZ BLANK LOCATION NOT OTHERWISE SPECIFIED
DISCRIMINATION AT SPECIFIED FREQUENCIES PER FUNCTION IN DECIBELS40.0 MINIMUM BLANK AND 3.0 MAXIMUM BLANK FIRST FUNCTION
NOMINAL THREAD SIZE0.138 INCHES IN
INPUT IMPEDANCE PER FUNCTION W/LOAD50.0 KILOHMS BLANK LOCATION NOT OTHERWISE SPECIFIED
SPECIFIED FREQUENCIES OF DISCRIMINATION PER FUNCTION11.17 KILOHERTZ BLANK AND 11.585 KILOHERTZ BLANK AND 12.415 KILOHERTZ BLANK AND 12.82 KILOHERTZ BLANK LOCATION NOT OTHERWISE SPECIFIED
BODY WIDTH1.375 INCHES NOMINAL IN
MOUNTING FACILITY SCREW THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
BODY MATERIALMETAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
4-726Interchangeable
interchangeable cross-reference
interchangeable
MS20659-162Interchangeable
interchangeable cross-reference
interchangeable
SAE-AS20659Interchangeable
interchangeable cross-reference
interchangeable
225AInterchangeable
interchangeable cross-reference
interchangeable
7901235-001Interchangeable
interchangeable cross-reference
interchangeable
WC596/100-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is F2478?
F2478 is a FILTER,BAND PASS. It is classified as a MRO (MRO_GENERAL).
What parts can replace F2478?
There are 10 known substitutes for F2478: 4-726, MS20659-162, SAE-AS20659 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for F2478?
F2478 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5915-00-863-5829. 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