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Technical Data Sheet
PartsTable / MRO / 581R081
581R081 ✓ 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: 0.530 INCHES MAXIMUM IN, body_height: 1.600 INCHES NOMINAL IN, body_length: 2.000 INCHES NOMINAL IN, inclosure_type: ENCASED, overall_height: 1.980 INCHES NOMINAL IN, overall_length: 2.380 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 5915-00-232-0210, 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→ 581R081
NSN: 5915-00-232-0210
FSC: 5915
CAGE: 97942 — NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN SYSTEMS CORP (USA)
SPECIFICATIONS
body_width0.530 INCHES MAXIMUM IN
body_height1.600 INCHES NOMINAL IN
body_length2.000 INCHES NOMINAL IN
inclosure_typeENCASED
overall_height1.980 INCHES NOMINAL IN
overall_length2.380 INCHES NOMINAL IN
style_designatorRECTANGULAR TERMINAL/TERMINALS ON TWO SURFACES
reference_frequency_per_function3.0 GIGAHERTZ BLANK LOCATION NOT OTHERWISE SPECIFIED
frequency_band_width_per_function2.00 GIGAHERTZ BLANK AND 4.00 GIGAHERTZ BLANK LOCATION NOT OTHERWISE SPECIFIED
unthreaded_mounting_hole_diameter0.125 INCHES NOMINAL IN
input_impedance_per_function_w/load50.0 OHMS BLANK LOCATION NOT OTHERWISE SPECIFIED
mounting_facility_type_and_quantity2 UNTHREADED HOLE(S) LOCATION NOT OTHERWISE SPECIFIED
NSN5915-00-232-0210
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available FILTER,BAND PASS TITLE COMPONENT PN 581R081 MFR FILTER,BAND PASS
KEY FEATURES
•
MOUNTING FACILITY TYPE AND QUANTITY: 2 UNTHREADED HOLE(S) LOCATION NOT OTHERWISE SPECIFIED
•
OUTPUT IMPEDANCE PER FUNCTION W/SOURCE ACROSS INPUT: 50.0 OHMS BLANK LOCATION NOT OTHERWISE SPECIFIED
•
FREQUENCY BAND WIDTH PER FUNCTION: 2.00 GIGAHERTZ BLANK AND 4.00 GIGAHERTZ BLANK LOCATION NOT OTHERWISE SPECIFIED
•
INPUT IMPEDANCE PER FUNCTION W/LOAD: 50.0 OHMS BLANK LOCATION NOT OTHERWISE SPECIFIED
•
FUNCTIONAL TERMINAL TYPE AND QUANTITY: 1 RECEPTACLE, COAXIAL OUTPUT SECOND FUNCTION
•
INSERTION LOSS AT REFERENCE FREQUENCY PER FUNCTION IN DECIBELS: 1.0 BLANK LOCATION NOT OTHERWISE SPECIFIED
•
STYLE DESIGNATOR: RECTANGULAR TERMINAL/TERMINALS ON TWO SURFACES
TECHNICAL CHARACTERISTICS (FLIS)
MOUNTING FACILITY TYPE AND QUANTITY2 UNTHREADED HOLE(S) LOCATION NOT OTHERWISE SPECIFIED
OUTPUT IMPEDANCE PER FUNCTION W/SOURCE ACROSS INPUT50.0 OHMS BLANK LOCATION NOT OTHERWISE SPECIFIED
FREQUENCY BAND WIDTH PER FUNCTION2.00 GIGAHERTZ BLANK AND 4.00 GIGAHERTZ BLANK LOCATION NOT OTHERWISE SPECIFIED
INPUT IMPEDANCE PER FUNCTION W/LOAD50.0 OHMS BLANK LOCATION NOT OTHERWISE SPECIFIED
FUNCTIONAL TERMINAL TYPE AND QUANTITY1 RECEPTACLE, COAXIAL OUTPUT SECOND FUNCTION
INSERTION LOSS AT REFERENCE FREQUENCY PER FUNCTION IN DECIBELS1.0 BLANK LOCATION NOT OTHERWISE SPECIFIED
STYLE DESIGNATORRECTANGULAR TERMINAL/TERMINALS ON TWO SURFACES
FUNCTIONAL TERMINAL TYPE AND QUANTITY1 RECEPTACLE, COAXIAL INPUT FIRST FUNCTION
UNTHREADED MOUNTING HOLE DIAMETER0.125 INCHES NOMINAL IN
INCLOSURE TYPEENCASED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
2725Interchangeable
interchangeable cross-reference
interchangeable
M5-11Interchangeable
interchangeable cross-reference
interchangeable
S7-11Interchangeable
interchangeable cross-reference
interchangeable
177033-2Interchangeable
interchangeable cross-reference
interchangeable
905183-00Interchangeable
interchangeable cross-reference
interchangeable
56-001-7Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 581R081?
581R081 is a FILTER,BAND PASS. It is classified as a MRO (MRO_GENERAL).
What parts can replace 581R081?
There are 20 known substitutes for 581R081: 2725, M5-11, S7-11 and 17 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 581R081?
581R081 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5915-00-232-0210. 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