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Technical Data Sheet
R18443 ✓ Verified by PartsTable
· COMPONENT
WHAT YOU NEED TO KNOW
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PRODUCT OVERVIEW

The CONNECTOR,PLUG,ELECTRICAL is a the manufacturer industrial component. Key specifications include material: STEEL COMP 5140H OVERALL, body_style: PLAIN, SOLID, bore_style: INVOLUTE SPLINE BOTH ENDS, tooth_form: STANDARD, pitch_diameter: 3.8310 INCHES MINIMUM AND 3.8350 INCHES MAXIMUM IN, pressure_angle: 20.0000 DEGREES. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3020-00-430-9483, 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
R18443
NSN: 3020-00-430-9483
FSC: 3020
CAGE: 23926 — KOMATSU AMERICA CORPORATION (USA)
SPECIFICATIONS
materialSTEEL COMP 5140H OVERALL
body_stylePLAIN, SOLID
bore_styleINVOLUTE SPLINE BOTH ENDS
tooth_formSTANDARD
pitch_diameter3.8310 INCHES MINIMUM AND 3.8350 INCHES MAXIMUM IN
pressure_angle20.0000 DEGREES
teeth_quantity12
hardness_rating34.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM TEETH
spline_quantity10 BOTH ENDS
style_designatorHUBLESS
face_nominal_width2.955 INCHES IN
nominal_outside_diameter4.472 INCHES IN
NSN3020-00-430-9483
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CONNECTOR,PLUG,ELECTRICAL TITLE COMPONENT PN R18443 MFR CONNECTOR,PLUG,ELECTRI
KEY FEATURES
BODY STYLE: PLAIN, SOLID
STYLE DESIGNATOR: HUBLESS
TOOTH FORM: STANDARD
NOMINAL OUTSIDE DIAMETER: 4.472 INCHES IN
BORE STYLE: INVOLUTE SPLINE BOTH ENDS
TEETH QUANTITY: 12
MATERIAL: STEEL COMP 5140H OVERALL
FACE NOMINAL WIDTH: 2.955 INCHES IN
TECHNICAL CHARACTERISTICS (FLIS)
BODY STYLEPLAIN, SOLID
STYLE DESIGNATORHUBLESS
TOOTH FORMSTANDARD
NOMINAL OUTSIDE DIAMETER4.472 INCHES IN
BORE STYLEINVOLUTE SPLINE BOTH ENDS
TEETH QUANTITY12
MATERIALSTEEL COMP 5140H OVERALL
FACE NOMINAL WIDTH2.955 INCHES IN
SPLINE QUANTITY10 BOTH ENDS
PITCH DIAMETER3.8310 INCHES MINIMUM AND 3.8350 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
H260K204Interchangeable
interchangeable cross-reference
interchangeable
18443Interchangeable
interchangeable cross-reference
interchangeable
16379Interchangeable
interchangeable cross-reference
interchangeable
45000-255-01Interchangeable
interchangeable cross-reference
interchangeable
140133Interchangeable
interchangeable cross-reference
interchangeable
150290-0035Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is R18443?
R18443 is a CONNECTOR,PLUG,ELECTRICAL.
What parts can replace R18443?
There are 8 known substitutes for R18443: H260K204, 18443, 16379 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for R18443?
R18443 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3020-00-430-9483. This indicates validated use in U.S. government and defense supply chains.
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