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MS21387-18BN ✓ 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 MS21387-18BN is a the manufacturer industrial component. Key specifications include color: BLACK, material: PLASTIC, outside_diameter: 0.750 INCHES NOMINAL IN, style_designator: ROUND FLUTED, attachment_method: SETSCREWS, overall_thickness: 0.630 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 5355-01-563-1738, 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
MS21387-18BN
NSN: 5355-01-563-1738
FSC: 5355
CAGE: 96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
colorBLACK
materialPLASTIC
outside_diameter0.750 INCHES NOMINAL IN
style_designatorROUND FLUTED
attachment_methodSETSCREWS
overall_thickness0.630 INCHES NOMINAL IN
setscrew_hole_quantity1
end_item_identification1520-01-457-5179 HELICOPTER, CARGO TRANSPORT
NSN5355-01-563-1738
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available MS21387-18BN TITLE COMPONENT PN MS21387-18BN MFR MS21387-18BN
KEY FEATURES
•
SETSCREW HOLE QUANTITY: 1
•
OVERALL THICKNESS: 0.630 INCHES NOMINAL IN
•
MATERIAL: PLASTIC
•
STYLE DESIGNATOR: ROUND FLUTED
•
OUTSIDE DIAMETER: 0.750 INCHES NOMINAL IN
•
COLOR: BLACK
•
ATTACHMENT METHOD: SETSCREWS
TECHNICAL CHARACTERISTICS (FLIS)
SETSCREW HOLE QUANTITY1
OVERALL THICKNESS0.630 INCHES NOMINAL IN
MATERIALPLASTIC
STYLE DESIGNATORROUND FLUTED
OUTSIDE DIAMETER0.750 INCHES NOMINAL IN
COLORBLACK
ATTACHMENT METHODSETSCREWS
END ITEM IDENTIFICATION1520-01-457-5179 HELICOPTER, CARGO TRANSPORT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
533-118-19Interchangeable
interchangeable cross-reference
interchangeable
ST5M1255N103AInterchangeable
interchangeable cross-reference
interchangeable
MS21387-03Interchangeable
interchangeable cross-reference
interchangeable
NASM21387Interchangeable
interchangeable cross-reference
interchangeable
10117843Interchangeable
interchangeable cross-reference
interchangeable
MS21387-16Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS21387-18BN?
MS21387-18BN is a MS21387-18BN.
What parts can replace MS21387-18BN?
There are 14 known substitutes for MS21387-18BN: 533-118-19, ST5M1255N103A, MS21387-03 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MS21387-18BN?
MS21387-18BN is cataloged in the Federal Logistics Information System (FLIS) under NSN 5355-01-563-1738. 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