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Technical Data Sheet
PartsTable / MRO / B2850-3521
B2850-3521 ✓ 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_material: METAL, inclosure_type: HERMETICALLY SEALED, unthreaded_mounting_hole_diameter: 0.250 INCHES NOMINAL IN, input_impedance_per_function_w/load: 50.0 OHMS 1ST RADIO INTERFERENCE FIRST FUNCTION, mounting_facility_type_and_quantity: 8 UNTHREADED HOLE(S) LOCATION NOT OTHERWISE SPECIFIED, functional_terminal_type_and_quantity: 3 SOLDER STUD OUTPUT SECOND FUNCTION. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5915-00-351-0374, 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→ B2850-3521
NSN: 5915-00-351-0374
FSC: 5915
CAGE: 60532 — TRANE U.S. INC. DBA THE TRANE CO DIV TRANE HEADQUARTERS (USA)
SPECIFICATIONS
body_materialMETAL
inclosure_typeHERMETICALLY SEALED
unthreaded_mounting_hole_diameter0.250 INCHES NOMINAL IN
input_impedance_per_function_w/load50.0 OHMS 1ST RADIO INTERFERENCE FIRST FUNCTION
mounting_facility_type_and_quantity8 UNTHREADED HOLE(S) LOCATION NOT OTHERWISE SPECIFIED
functional_terminal_type_and_quantity3 SOLDER STUD OUTPUT SECOND FUNCTION
operating_current_rating_per_function_in_amps75.0 2ND RADIO INTERFERENCE SECOND FUNCTION
operating_voltage_rating_and_type_per_function208.0 VOLTS AC 3RD RADIO INTERFERENCE THIRD FUNCTION
power_line_frequency_rating_per_function_in_hertz400.0 2ND RADIO INTERFERENCE SECOND FUNCTION
output_impedance_per_function_w/source_across_input50.0 OHMS 2ND RADIO INTERFERENCE SECOND FUNCTION
NSN5915-00-351-0374
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available FILTER,RADIO FREQUENCY INTERFERE TITLE COMPONENT PN B2850-3521 MFR FILTER,RADIO FREQUENCY
KEY FEATURES
•
INPUT IMPEDANCE PER FUNCTION W/LOAD: 50.0 OHMS 2ND RADIO INTERFERENCE SECOND FUNCTION
•
OPERATING VOLTAGE RATING AND TYPE PER FUNCTION: 208.0 VOLTS AC 1ST RADIO INTERFERENCE FIRST FUNCTION
•
OPERATING CURRENT RATING PER FUNCTION IN AMPS: 75.0 2ND RADIO INTERFERENCE SECOND FUNCTION
•
FUNCTIONAL TERMINAL TYPE AND QUANTITY: 2 SOLDER STUD GROUND THIRD FUNCTION
•
MOUNTING FACILITY TYPE AND QUANTITY: 8 UNTHREADED HOLE(S) LOCATION NOT OTHERWISE SPECIFIED
•
INCLOSURE TYPE: HERMETICALLY SEALED
TECHNICAL CHARACTERISTICS (FLIS)
INPUT IMPEDANCE PER FUNCTION W/LOAD50.0 OHMS 2ND RADIO INTERFERENCE SECOND FUNCTION
OPERATING VOLTAGE RATING AND TYPE PER FUNCTION208.0 VOLTS AC 1ST RADIO INTERFERENCE FIRST FUNCTION
OPERATING CURRENT RATING PER FUNCTION IN AMPS75.0 2ND RADIO INTERFERENCE SECOND FUNCTION
FUNCTIONAL TERMINAL TYPE AND QUANTITY2 SOLDER STUD GROUND THIRD FUNCTION
MOUNTING FACILITY TYPE AND QUANTITY8 UNTHREADED HOLE(S) LOCATION NOT OTHERWISE SPECIFIED
FUNCTIONAL TERMINAL TYPE AND QUANTITY3 SOLDER STUD OUTPUT SECOND FUNCTION
INCLOSURE TYPEHERMETICALLY SEALED
OPERATING VOLTAGE RATING AND TYPE PER FUNCTION208.0 VOLTS AC 3RD RADIO INTERFERENCE THIRD FUNCTION
FUNCTIONAL TERMINAL TYPE AND QUANTITY3 SOLDER STUD INPUT FIRST FUNCTION
INPUT IMPEDANCE PER FUNCTION W/LOAD50.0 OHMS 1ST RADIO INTERFERENCE FIRST FUNCTION
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
837-20Interchangeable
interchangeable cross-reference
interchangeable
A1238Interchangeable
interchangeable cross-reference
interchangeable
A29282Interchangeable
interchangeable cross-reference
interchangeable
DPD32-34PCInterchangeable
interchangeable cross-reference
interchangeable
MIL-DTL-14652BInterchangeable
interchangeable cross-reference
interchangeable
GPW11AS10655Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is B2850-3521?
B2850-3521 is a FILTER,RADIO FREQUENCY INTERFERE. It is classified as a MRO (MRO_GENERAL).
What parts can replace B2850-3521?
There are 12 known substitutes for B2850-3521: 837-20, A1238, A29282 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for B2850-3521?
B2850-3521 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5915-00-351-0374. 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