PennEngineering - Large Knob, Spring-loaded - Types PF11MF and PF12MF - Unified

Unit of Measure

Items	PF11MF-440-0 Large Knob, Spring-loaded - Types PF11MF and PF12MF - Unified	PF11MF-440-0 Large Knob, Spring-loaded - Types PF11MF and PF12MF - Unified	PF11MF-440-1 Large Knob, Spring-loaded - Types PF11MF and PF12MF - Unified	PF11MF-440-1 Large Knob, Spring-loaded - Types PF11MF and PF12MF - Unified	PF11MF-440-2 Large Knob, Spring-loaded - Types PF11MF and PF12MF - Unified
Thread Size	N/A .112-40 (#4-40)
Type	N/A Knurled Cap - PF11MF
Thread Code	N/A 440
Screw Length Code	N/A 0	N/A 0	N/A 1	N/A 1	N/A 2
A Max.	N/A .041 in
Min. Sheet Thickness	N/A .031 in
Hole Size in Sheet + 0.005 - 0.000	N/A .187 in
C Max.	N/A .186 in
E ± .010	N/A .417 in
G ± .025	N/A .170 in	N/A .170 in	N/A .230 in	N/A .230 in	N/A .290 in
P ± .025	N/A .000 in	N/A .000 in	N/A .055 in	N/A .055 in	N/A .115 in
T1 Nom.	N/A 0.31 in
T2 Nom.	N/A .450 in
Driver Size	N/A Slotted/#1 Phillips
Thread Specification¹	N/A ANSI B1.1, 2A
Material Knob	N/A Aluminum
Material Retainer	N/A Aluminum
Material Screw	N/A Heat-Treated Carbon Steel
Material Spring	N/A 300 Series Stainless Steel
Finish Knob	N/A Natural Finish
Finish Retainer	N/A Natural finish
Finish Screw	N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless
Finish Spring	N/A Natural Finish
Optional Finish²	N/A
CAD View	N/A Unfastened	N/A Fastened	N/A Unfastened	N/A Fastened	N/A Unfastened
CAD Supplier	N/A PennEngineering® (PEM®)
¹ As with all external plated threads, Class 2A/6g, the maximum major and pitch, after plating, may equal basic sizes and be gauged to Class 3A/4h, per ANSI B1.1, Section 8, Table 3A and ANSI B1.13M, Section 8, Paragraph 8.2 ² “BL” suffix will be added to part number to designate DuraBlack™ finish.