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Technical Data Sheet
PartsTable / MRO / 57137-166
57137-166 ✓ 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,LOW PASS is a the manufacturer industrial component. Key specifications include inclosure_type: ENCASED, overall_length: 6.280 INCHES NOMINAL IN, style_designator: ROUND TERMINAL/TERMINALS ON OPPOSITE SURFACES, input_terminal_identification: UG-441/U, output_terminal_identification: UG-441/U, input_terminal_manufacturer_code: 81755. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5915-01-091-9568, 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→ 57137-166
NSN: 5915-01-091-9568
FSC: 5915
CAGE: 63661 — MICROWAVE DEVELOPMENT COMPANY INC DBA MICROWAVE DEVELOPMENT COMPANY INC (USA)
SPECIFICATIONS
inclosure_typeENCASED
overall_length6.280 INCHES NOMINAL IN
style_designatorROUND TERMINAL/TERMINALS ON OPPOSITE SURFACES
input_terminal_identificationUG-441/U
output_terminal_identificationUG-441/U
input_terminal_manufacturer_code81755
reference_frequency_per_function3.46 GIGAHERTZ BLANK LOCATION NOT OTHERWISE SPECIFIED
frequency_band_width_per_function1.00 GIGAHERTZ BLANK AND 5.925 GIGAHERTZ BLANK LOCATION NOT OTHERWISE SPECIFIED
output_terminal_manufacturer_code81755
input_impedance_per_function_w/load50.0 OHMS BLANK LOCATION NOT OTHERWISE SPECIFIED
mounting_facility_type_and_quantity2 FLANGE LOCATION NOT OTHERWISE SPECIFIED
functional_terminal_type_and_quantity1 CIRCULAR FLANGE OUTPUT SECOND FUNCTION
NSN5915-01-091-9568
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available FILTER,LOW PASS TITLE COMPONENT PN 57137-166 MFR FILTER,LOW PASS
KEY FEATURES
•
FREQUENCY BAND WIDTH PER FUNCTION: 1.00 GIGAHERTZ BLANK AND 5.925 GIGAHERTZ BLANK LOCATION NOT OTHERWISE SPECIFIED
•
INPUT TERMINAL IDENTIFICATION: UG-441/U
•
REFERENCE FREQUENCY PER FUNCTION: 3.46 GIGAHERTZ BLANK LOCATION NOT OTHERWISE SPECIFIED
•
FUNCTIONAL TERMINAL TYPE AND QUANTITY: 1 CIRCULAR FLANGE OUTPUT SECOND FUNCTION
•
VOLTAGE STANDING WAVE RATIO FREQUENCY LIMITS PER FUNCTION: 1.0 GIGAHERTZ BLANK AND 5.925 GIGAHERTZ BLANK LOCATION NOT OTHERWISE SPECIFIED
•
INPUT TERMINAL MANUFACTURER CODE: 81755
•
VOLTAGE STANDING WAVE RATIO PER FUNCTION: 1.15 BLANK LOCATION NOT OTHERWISE SPECIFIED
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL LENGTH6.280 INCHES NOMINAL IN
FREQUENCY BAND WIDTH PER FUNCTION1.00 GIGAHERTZ BLANK AND 5.925 GIGAHERTZ BLANK LOCATION NOT OTHERWISE SPECIFIED
INPUT TERMINAL IDENTIFICATIONUG-441/U
REFERENCE FREQUENCY PER FUNCTION3.46 GIGAHERTZ BLANK LOCATION NOT OTHERWISE SPECIFIED
FUNCTIONAL TERMINAL TYPE AND QUANTITY1 CIRCULAR FLANGE OUTPUT SECOND FUNCTION
VOLTAGE STANDING WAVE RATIO FREQUENCY LIMITS PER FUNCTION1.0 GIGAHERTZ BLANK AND 5.925 GIGAHERTZ BLANK LOCATION NOT OTHERWISE SPECIFIED
INPUT TERMINAL MANUFACTURER CODE81755
VOLTAGE STANDING WAVE RATIO PER FUNCTION1.15 BLANK LOCATION NOT OTHERWISE SPECIFIED
STYLE DESIGNATORROUND TERMINAL/TERMINALS ON OPPOSITE SURFACES
OUTPUT IMPEDANCE PER FUNCTION W/SOURCE ACROSS INPUT50.0 OHMS BLANK LOCATION NOT OTHERWISE SPECIFIED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
R10Interchangeable
interchangeable cross-reference
interchangeable
10024Interchangeable
interchangeable cross-reference
interchangeable
405Interchangeable
interchangeable cross-reference
interchangeable
531798Interchangeable
interchangeable cross-reference
interchangeable
0-12352Interchangeable
interchangeable cross-reference
interchangeable
12352Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 57137-166?
57137-166 is a FILTER,LOW PASS. It is classified as a MRO (MRO_GENERAL).
What parts can replace 57137-166?
There are 16 known substitutes for 57137-166: R10, 10024, 405 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 57137-166?
57137-166 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5915-01-091-9568. 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