PoOnHand will send your inquiry to all specialized distributors.
Screw Machine Pan-HD Phillips 4-40-THD 9.525mm-LG Stainless Steel
Descriptions of Keystone 9901 provided by its distributors.
Captive, Thumb, Shoulder and Jack Screws .375 4-40 MOUNT SCR
Mouser
4-40 X 3/8 Screw Rohs Compliant: Yes |Keystone 9901
Newark
Screw Machine; No. 4-40 Thread Size; 3/8 in. Long
Carlton-Bates