Name: 520-13900-3
Brand: Unknown
SKU: 520-13900-3

520-13900-3 ✓ 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 520-13900-3 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: 4.0 GIGAHERTZ MINIMUM AND 18.0 GIGAHERTZ MAXIMUM, overall_thickness: 1.500 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 6625-01-573-6008, 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→ 520-13900-3

NSN: 6625-01-573-6008
FSC: 6625
CAGE: 82918 — THE BOEING COMPANY DIV LEGACY WICHITA (USA)

SPECIFICATIONS

overall_width	24.000 INCHES NOMINAL IN
overall_length	24.000 INCHES NOMINAL IN
frequency_rating	4.0 GIGAHERTZ MINIMUM AND 18.0 GIGAHERTZ MAXIMUM
special_features	1.5IN CONVOLUTED RAM; REFLECTIVITY LESS THAN -13DB BETWEEN 4 AND 6GHZ, -20DB BETWEEN 6 AND 10GHZ, 25DB BETWEEN 10 AND 18GHZ GHz
overall_thickness	1.500 INCHES NOMINAL IN
special_test_features	CALLED OUT IN SOURCE CONTROL DRAWING
end_item_identification	B-52H AIRCRAFT
reference_data_and_literature	SCD 520-13900
part_name_assigned_by_controlling_agency	RADAR ABSORBER MATERIAL
NSN	6625-01-573-6008

COMPONENT DIAGRAM

KEY FEATURES

•

REFERENCE DATA AND LITERATURE: SCD 520-13900

•

OVERALL THICKNESS: 1.500 INCHES NOMINAL IN

•

SPECIAL TEST FEATURES: CALLED OUT IN SOURCE CONTROL DRAWING

•

FREQUENCY RATING: 4.0 GIGAHERTZ MINIMUM AND 18.0 GIGAHERTZ MAXIMUM

TECHNICAL CHARACTERISTICS (FLIS)

PART NAME ASSIGNED BY CONTROLLING AGENCY	RADAR ABSORBER MATERIAL
REFERENCE DATA AND LITERATURE	SCD 520-13900
SPECIAL FEATURES	1.5IN CONVOLUTED RAM; REFLECTIVITY LESS THAN -13DB BETWEEN 4 AND 6GHZ, -20DB BETWEEN 6 AND 10GHZ, 25DB BETWEEN 10 AND 18GHZ GHz
OVERALL THICKNESS	1.500 INCHES NOMINAL IN
END ITEM IDENTIFICATION	B-52H AIRCRAFT
SPECIAL TEST FEATURES	CALLED OUT IN SOURCE CONTROL DRAWING
FREQUENCY RATING	4.0 GIGAHERTZ MINIMUM AND 18.0 GIGAHERTZ MAXIMUM
OVERALL WIDTH	24.000 INCHES NOMINAL IN
OVERALL LENGTH	24.000 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCY	RADAR ABSORBER MATERIAL

VERIFIED SUBSTITUTES & CROSS-REFERENCES 14

4524-1Upgraded Successor

successor cross-reference

successor

2521Upgraded Successor

successor cross-reference

successor

C4524Upgraded Successor

successor cross-reference

successor

120423Interchangeable

interchangeable cross-reference

interchangeable

1901842Interchangeable

interchangeable cross-reference

interchangeable

20-463-1Interchangeable

interchangeable cross-reference

interchangeable

LIFECYCLE

StatusACTIVE

AvailabilityOEM and secondary market

RoHS CompliantEAR99ESD SensitiveNot HAZMAT

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FREQUENTLY ASKED QUESTIONS

What is 520-13900-3?

520-13900-3 is a 520-13900-3. It is classified as a MRO (MRO_GENERAL).

What parts can replace 520-13900-3?

There are 14 known substitutes for 520-13900-3: 4524-1, 2521, C4524 and 11 more. Substitute compatibility should be verified for your specific system.

What is the NSN for 520-13900-3?

520-13900-3 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6625-01-573-6008. This indicates validated use in U.S. government and defense supply chains.

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