Part # CFN-440-1ZI , Nylon Insert Self-Locking Fasteners - Types CFN - Unified On Aero-Space Fasteners and Electronics, Inc.

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Type CFN broaching fasteners are available for thinner sheet, close-to-edge applications. The locking element provides prevailing torque to eliminate loosening of mating threaded hardware.

Unit of Measure

Specifications

Thread Size	N/A .112-40 (#4-40)
Thread Code	N/A 440
Shank Code¹	N/A 1
A (Shank) ± .003	N/A .040 in
Min. Sheet Thickness	N/A .043 in
Hole Size in Sheet + .003 - .000	N/A .152 in
C ± .002	N/A .162 in
D ± .004	N/A .175 in
E + .001 - .004	N/A .203 in
T Max.	N/A .104 in
Min. Dist. Hole C/L to Edge²	N/A .115 in
Max. Temperature Limit	N/A 250 ºF120 ºC
Fastener Materials - Locking Element	N/A Blue Nylon
For Use in Sheet Hardness³	N/A HRB 60 / HB 107 or Less
Thread Specification	N/A Internal, ANSI B1.1, 2B
Fastener Material	N/A Carbon Steel
Standard Finish	N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless
CAD Supplier	N/A PennEngineering® (PEM®)

¹ Other shank and screw lengths available.
² To minimize sheet distortion and maximize product performance, use a centerline-to-edge value greater or equal to the value specified.
³ HRB - Hardness Rockwell “B” Scale. HB - Hardness Brinell.