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Technical Data Sheet
PartsTable / COMPONENT / 581R530
581R530 ✓ Verified by PartsTable
— · COMPONENT
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 ATTENUATOR,VARIABLE is a the manufacturer industrial component. Key specifications include overall_width: 1.000 INCHES NOMINAL IN, overall_height: 0.900 INCHES NOMINAL IN, overall_length: 2.410 INCHES NOMINAL IN, frequency_range: 0.000 MEGAHERTZ MINIMUM AND 50.000 MEGAHERTZ MAXIMUM, application_design: TRANSMISSION LINE, operating_temp_range: -54.0 TO 115.0 CELSIUS DEGC. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5985-01-187-9933, 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
581R530
NSN: 5985-01-187-9933
FSC: 5985
CAGE: 97942 — NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN SYSTEMS CORP (USA)
SPECIFICATIONS
overall_width1.000 INCHES NOMINAL IN
overall_height0.900 INCHES NOMINAL IN
overall_length2.410 INCHES NOMINAL IN
frequency_range0.000 MEGAHERTZ MINIMUM AND 50.000 MEGAHERTZ MAXIMUM
application_designTRANSMISSION LINE
operating_temp_range-54.0 TO 115.0 CELSIUS DEGC
end_item_identificationAN/ALQ-131 BLOCK I I&S
voltage_standing_wave_ratio1.05 AND 1.85
insertion_loss_at_minimum_attenuation_in_maximum_decibels1.5
NSN5985-01-187-9933
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available ATTENUATOR,VARIABLE TITLE COMPONENT PN 581R530 MFR ATTENUATOR,VARIABLE
KEY FEATURES
•
FREQUENCY RANGE: 0.000 MEGAHERTZ MINIMUM AND 50.000 MEGAHERTZ MAXIMUM
•
OPERATING TEMP RANGE: -54.0 TO 115.0 CELSIUS DEGC
•
VOLTAGE STANDING WAVE RATIO: 1.05 AND 1.85
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATIONAN/ALQ-131 BLOCK I I&S
OVERALL HEIGHT0.900 INCHES NOMINAL IN
FREQUENCY RANGE0.000 MEGAHERTZ MINIMUM AND 50.000 MEGAHERTZ MAXIMUM
OVERALL WIDTH1.000 INCHES NOMINAL IN
OPERATING TEMP RANGE-54.0 TO 115.0 CELSIUS DEGC
VOLTAGE STANDING WAVE RATIO1.05 AND 1.85
OVERALL LENGTH2.410 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
5800401-8663-010Interchangeable
interchangeable cross-reference
interchangeable
182400Interchangeable
interchangeable cross-reference
interchangeable
MS59021-009Interchangeable
interchangeable cross-reference
interchangeable
581R530H05Interchangeable
interchangeable cross-reference
interchangeable
MPM233BInterchangeable
interchangeable cross-reference
interchangeable
581R530Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 581R530?
581R530 is a ATTENUATOR,VARIABLE.
What parts can replace 581R530?
There are 9 known substitutes for 581R530: 5800401-8663-010, 182400, MS59021-009 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 581R530?
581R530 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5985-01-187-9933. 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