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Technical Data Sheet
665B011838 ✓ Verified by PartsTable
· COMPONENT
WHAT YOU NEED TO KNOW
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Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The HORN,INSULATOR is a the manufacturer industrial component. Key specifications include head_style: FLAT COUNTERSUNK, thread_class: 2A A, head_diameter: 0.195 INCHES MINIMUM AND 0.225 INCHES MAXIMUM IN, thread_length: 0.325 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN, screw_material: STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 316, fastener_length: 0.375 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 2040-01-064-0133, 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
665B011838
NSN: 2040-01-064-0133
FSC: 2040
CAGE: 34228 — L3 TECHNOLOGIES, INC. DIV L3 KEO (USA)
SPECIFICATIONS
head_styleFLAT COUNTERSUNK
thread_class2A A
head_diameter0.195 INCHES MINIMUM AND 0.225 INCHES MAXIMUM IN
thread_length0.325 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
screw_materialSTEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 316
fastener_length0.375 INCHES NOMINAL IN
thread_directionRIGHT-HAND
countersink_angle80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM
internal_drive_styleCROSS RECESS TYPE 1
end_item_identificationA4 BRADLEY FIGHTING VEHICLE
nominal_thread_diameter0.112 INCHES IN
screw_surface_treatmentPASSIVATE
NSN2040-01-064-0133
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available HORN,INSULATOR TITLE COMPONENT PN 665B011838 MFR HORN,INSULATOR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
MS51960-15Interchangeable
interchangeable cross-reference
interchangeable
284-615-0406Interchangeable
interchangeable cross-reference
interchangeable
5305PL1336798Interchangeable
interchangeable cross-reference
interchangeable
011838Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 665B011838?
665B011838 is a HORN,INSULATOR.
What parts can replace 665B011838?
There are 4 known substitutes for 665B011838: MS51960-15, 284-615-0406, 5305PL1336798 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 665B011838?
665B011838 is cataloged in the Federal Logistics Information System (FLIS) under NSN 2040-01-064-0133. This indicates validated use in U.S. government and defense supply chains.
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