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Technical Data Sheet
PartsTable / MRO / 121-087-0004
121-087-0004 ✓ 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_length: 0.575 INCHES MAXIMUM IN, inclosure_type: HERMETICALLY SEALED, overall_length: 1.082 INCHES MAXIMUM IN, nominal_thread_size: 0.250 INCHES IN, operating_temp_range: -52.0 TO 95.0 CELSIUS DEGC, body_outside_diameter: 0.416 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 5915-00-137-2996, 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→ 121-087-0004
NSN: 5915-00-137-2996
FSC: 5915
CAGE: 95542 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
body_length0.575 INCHES MAXIMUM IN
inclosure_typeHERMETICALLY SEALED
overall_length1.082 INCHES MAXIMUM IN
nominal_thread_size0.250 INCHES IN
operating_temp_range-52.0 TO 95.0 CELSIUS DEGC
body_outside_diameter0.416 INCHES MAXIMUM IN
maximum_voltage_drop_per_function500.0 MILLIVOLTS DC BLANK LOCATION NOT OTHERWISE SPECIFIED
mounting_facility_type_and_quantity1 THREADED BUSHING THIRD FUNCTION
functional_terminal_type_and_quantity1 TAB, SOLDER LUG OUTPUT SECOND FUNCTION
principal_circuitry_type_per_functionINDUCTANCE-CAPACITANCE BLANK LOCATION NOT OTHERWISE SPECIFIED
operating_current_rating_per_function_in_amps0.3 BLANK LOCATION NOT OTHERWISE SPECIFIED
operating_voltage_rating_and_type_per_function100.0 VOLTS DC BLANK LOCATION NOT OTHERWISE SPECIFIED
NSN5915-00-137-2996
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available FILTER,RADIO FREQUENCY INTERFERE TITLE COMPONENT PN 121-087-0004 MFR FILTER,RADIO FREQUENCY
KEY FEATURES
•
OPERATING TEMP RANGE: -52.0 TO 95.0 CELSIUS DEGC
•
BODY LENGTH: 0.575 INCHES MAXIMUM IN
•
MOUNTING FACILITY TYPE AND QUANTITY: 1 THREADED BUSHING THIRD FUNCTION
•
FUNCTIONAL TERMINAL TYPE AND QUANTITY: 1 TAB, SOLDER LUG INPUT FIRST FUNCTION
•
INCLOSURE TYPE: HERMETICALLY SEALED
•
OPERATING VOLTAGE RATING AND TYPE PER FUNCTION: 100.0 VOLTS DC BLANK LOCATION NOT OTHERWISE SPECIFIED
•
MOUNTING FACILITY SCREW THREAD SERIES DESIGNATOR: UNF
TECHNICAL CHARACTERISTICS (FLIS)
OPERATING TEMP RANGE-52.0 TO 95.0 CELSIUS DEGC
BODY LENGTH0.575 INCHES MAXIMUM IN
MOUNTING FACILITY TYPE AND QUANTITY1 THREADED BUSHING THIRD FUNCTION
FUNCTIONAL TERMINAL TYPE AND QUANTITY1 TAB, SOLDER LUG INPUT FIRST FUNCTION
INCLOSURE TYPEHERMETICALLY SEALED
OPERATING VOLTAGE RATING AND TYPE PER FUNCTION100.0 VOLTS DC BLANK LOCATION NOT OTHERWISE SPECIFIED
FUNCTIONAL TERMINAL TYPE AND QUANTITY1 TAB, SOLDER LUG OUTPUT SECOND FUNCTION
MOUNTING FACILITY SCREW THREAD SERIES DESIGNATORUNF
OPERATING CURRENT RATING PER FUNCTION IN AMPS0.3 BLANK LOCATION NOT OTHERWISE SPECIFIED
PRINCIPAL CIRCUITRY TYPE PER FUNCTIONINDUCTANCE-CAPACITANCE BLANK LOCATION NOT OTHERWISE SPECIFIED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
18563Interchangeable
interchangeable cross-reference
interchangeable
6119AInterchangeable
interchangeable cross-reference
interchangeable
81B4625AInterchangeable
interchangeable cross-reference
interchangeable
D351Interchangeable
interchangeable cross-reference
interchangeable
A845-1Interchangeable
interchangeable cross-reference
interchangeable
11019349-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 121-087-0004?
121-087-0004 is a FILTER,RADIO FREQUENCY INTERFERE. It is classified as a MRO (MRO_GENERAL).
What parts can replace 121-087-0004?
There are 11 known substitutes for 121-087-0004: 18563, 6119A, 81B4625A and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 121-087-0004?
121-087-0004 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5915-00-137-2996. 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