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Technical Data Sheet
PartsTable / MRO / 4-525
4-525 ✓ 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 CONNECTOR,PLUG,ELECTRICAL is a the manufacturer industrial component. Key specifications include overall_width: 24.000 INCHES NOMINAL IN, overall_length: 24.000 INCHES NOMINAL IN, frequency_rating: 2.0 GIGAHERTZ MINIMUM AND 18.0 GIGAHERTZ MAXIMUM, overall_thickness: 3.000 INCHES NOMINAL IN, special_test_features: CALLED OUT IN SOURCE CONTROL DRAWING, end_item_identification: B-52H AIRCRAFT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6625-01-573-6038, 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→ 4-525
NSN: 6625-01-573-6038
FSC: 6625
CAGE: 06GU3 — LAIRD R & F PRODUCTS, INC. (USA)
SPECIFICATIONS
overall_width24.000 INCHES NOMINAL IN
overall_length24.000 INCHES NOMINAL IN
frequency_rating2.0 GIGAHERTZ MINIMUM AND 18.0 GIGAHERTZ MAXIMUM
special_features3IN CONVOLUTED RAM; REFLECTIVITY LESS THAN -13DB BETWEEN 2 AND 4GHZ, -20DB BETWEEN 4 AND 8GHZ, -25DB BETWEEN 8 AND 18GHZ GHz
overall_thickness3.000 INCHES NOMINAL IN
special_test_featuresCALLED OUT IN SOURCE CONTROL DRAWING
end_item_identificationB-52H AIRCRAFT
reference_data_and_literatureSCD 520-13900
part_name_assigned_by_controlling_agencyRADAR ABSORBER MATERIAL
NSN6625-01-573-6038
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CONNECTOR,PLUG,ELECTRICAL TITLE COMPONENT PN 4-525 MFR CONNECTOR,PLUG,ELECTRI
KEY FEATURES
•
OVERALL THICKNESS: 3.000 INCHES NOMINAL IN
•
REFERENCE DATA AND LITERATURE: SCD 520-13900
•
FREQUENCY RATING: 2.0 GIGAHERTZ MINIMUM AND 18.0 GIGAHERTZ MAXIMUM
•
SPECIAL TEST FEATURES: CALLED OUT IN SOURCE CONTROL DRAWING
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL THICKNESS3.000 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYRADAR ABSORBER MATERIAL
REFERENCE DATA AND LITERATURESCD 520-13900
SPECIAL FEATURES3IN CONVOLUTED RAM; REFLECTIVITY LESS THAN -13DB BETWEEN 2 AND 4GHZ, -20DB BETWEEN 4 AND 8GHZ, -25DB BETWEEN 8 AND 18GHZ GHz
FREQUENCY RATING2.0 GIGAHERTZ MINIMUM AND 18.0 GIGAHERTZ MAXIMUM
OVERALL WIDTH24.000 INCHES NOMINAL IN
OVERALL LENGTH24.000 INCHES NOMINAL IN
SPECIAL TEST FEATURESCALLED OUT IN SOURCE CONTROL DRAWING
END ITEM IDENTIFICATIONB-52H AIRCRAFT
OVERALL THICKNESS3.000 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
4525Interchangeable
interchangeable cross-reference
interchangeable
2534Interchangeable
interchangeable cross-reference
interchangeable
SP232Interchangeable
interchangeable cross-reference
interchangeable
581Interchangeable
interchangeable cross-reference
interchangeable
40-12292Interchangeable
interchangeable cross-reference
interchangeable
40181Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4-525?
4-525 is a CONNECTOR,PLUG,ELECTRICAL. It is classified as a MRO (MRO_GENERAL).
What parts can replace 4-525?
There are 16 known substitutes for 4-525: 4525, 2534, SP232 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 4-525?
4-525 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6625-01-573-6038. 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