PartsTable
Technical Data Sheet
PartsTable / MRO / 20-812518-3
20-812518-3 ✓ 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: 1.380 INCHES NOMINAL IN, body_height: 1.520 INCHES NOMINAL IN, body_length: 1.500 INCHES NOMINAL IN, inclosure_type: HERMETICALLY SEALED, overall_height: 1.770 INCHES NOMINAL IN, overall_length: 2.160 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 5915-01-049-4170, 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→ 20-812518-3
NSN: 5915-01-049-4170
FSC: 5915
CAGE: 07397 — GENERAL DYNAMICS ADVANCED INFORMATION SYSTEMS INC. DBA GENERAL DYNAMICS ADVANCED INFORMATION SYSTEMS (USA)
SPECIFICATIONS
body_width1.380 INCHES NOMINAL IN
body_height1.520 INCHES NOMINAL IN
body_length1.500 INCHES NOMINAL IN
inclosure_typeHERMETICALLY SEALED
overall_height1.770 INCHES NOMINAL IN
overall_length2.160 INCHES NOMINAL IN
style_designatorRECTANGULAR TERMINAL/TERMINALS ON THREE SURFACES
nominal_thread_size0.138 INCHES IN
load_impedance_per_function50.0 OHMS 1ST BAND PASS FIRST FUNCTION
reference_frequency_per_function3.0 GIGAHERTZ 2ND BAND PASS SECOND FUNCTION
frequency_band_width_per_function2.00 GIGAHERTZ 2ND BAND PASS AND 4.00 GIGAHERTZ 2ND BAND PASS SECOND FUNCTION
mounting_facility_type_and_quantity4 THREADED HOLE(S) LOCATION NOT OTHERWISE SPECIFIED
NSN5915-01-049-4170
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available FILTER,BAND PASS TITLE COMPONENT PN 20-812518-3 MFR FILTER,BAND PASS
KEY FEATURES
•
SOURCE IMPEDANCE RATING PER FUNCTION: 50.0 OHMS 1ST BAND PASS FIRST FUNCTION
•
REFERENCE FREQUENCY PER FUNCTION: 3.0 GIGAHERTZ 2ND BAND PASS SECOND FUNCTION
•
SPECIFIED FREQUENCIES OF DISCRIMINATION PER FUNCTION: 1.81 GIGAHERTZ 1ST BAND PASS AND 1.9925 GIGAHERTZ 1ST BAND PASS AND 4.0075 GIGAHERTZ 1ST BAND PASS AND 4.190 GIGAHERTZ 1ST BAND PASS FIRST FUNCTION
•
DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY LENGTH: 1.000 INCHES NOMINAL IN
•
FREQUENCY BAND WIDTH PER FUNCTION: 2.00 GIGAHERTZ 2ND BAND PASS AND 4.00 GIGAHERTZ 2ND BAND PASS SECOND FUNCTION
•
VOLTAGE STANDING WAVE RATIO FREQUENCY LIMITS PER FUNCTION: 1.0 GIGAHERTZ 2ND BAND PASS AND 2.0 GIGAHERTZ 2ND BAND PASS SECOND FUNCTION
•
LOAD IMPEDANCE PER FUNCTION: 50.0 OHMS 1ST BAND PASS FIRST FUNCTION
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL LENGTH2.160 INCHES NOMINAL IN
SOURCE IMPEDANCE RATING PER FUNCTION50.0 OHMS 1ST BAND PASS FIRST FUNCTION
REFERENCE FREQUENCY PER FUNCTION3.0 GIGAHERTZ 2ND BAND PASS SECOND FUNCTION
SPECIFIED FREQUENCIES OF DISCRIMINATION PER FUNCTION1.81 GIGAHERTZ 1ST BAND PASS AND 1.9925 GIGAHERTZ 1ST BAND PASS AND 4.0075 GIGAHERTZ 1ST BAND PASS AND 4.190 GIGAHERTZ 1ST BAND PASS FIRST FUNCTION
DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY LENGTH1.000 INCHES NOMINAL IN
FREQUENCY BAND WIDTH PER FUNCTION2.00 GIGAHERTZ 2ND BAND PASS AND 4.00 GIGAHERTZ 2ND BAND PASS SECOND FUNCTION
VOLTAGE STANDING WAVE RATIO FREQUENCY LIMITS PER FUNCTION1.0 GIGAHERTZ 2ND BAND PASS AND 2.0 GIGAHERTZ 2ND BAND PASS SECOND FUNCTION
LOAD IMPEDANCE PER FUNCTION50.0 OHMS 1ST BAND PASS FIRST FUNCTION
VOLTAGE STANDING WAVE RATIO PER FUNCTION2.0 2ND BAND PASS SECOND FUNCTION
INSERTION LOSS AT REFERENCE FREQUENCY PER FUNCTION IN DECIBELS2.0 1ST BAND PASS FIRST FUNCTION
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
8376373Interchangeable
interchangeable cross-reference
interchangeable
25704-281310-02-0Interchangeable
interchangeable cross-reference
interchangeable
12510Interchangeable
interchangeable cross-reference
interchangeable
318828-6Interchangeable
interchangeable cross-reference
interchangeable
65X174Interchangeable
interchangeable cross-reference
interchangeable
312Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 20-812518-3?
20-812518-3 is a FILTER,BAND PASS. It is classified as a MRO (MRO_GENERAL).
What parts can replace 20-812518-3?
There are 12 known substitutes for 20-812518-3: 8376373, 25704-281310-02-0, 12510 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 20-812518-3?
20-812518-3 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5915-01-049-4170. 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