SCREW-.25-20 X.41 LG (P/N 633845) - New Surplus

The 633845 is a 1/4-20 UNC machine screw, 0.41 inch long, designed for fastening non-structural aircraft components and equipment. This steel screw follows ASME B1.1 specifications for unified coarse thread dimensions and fit. Installation pairs the screw with matching 1/4-20 nuts or threaded inserts, securing equipment panels and brackets during aircraft maintenance and assembly.

Apply torque per FAA AC 43.13-1B guidance or applicable maintenance documentation to ensure secure fastening without over-tightening.

What is the SCREW-.25-20 X.41 LG (P/N 633845)?

The 633845 is a 1/4-20 UNC machine screw, 0. 41 inch long, designed for fastening non-structural aircraft components and equipment.

What conditions is the 633845 available in?

The 633845 is currently available in the following conditions: New Surplus. Each condition reflects the part's maintenance history and certification status per FAA standards.

How do I get pricing for the 633845?

The 633845 requires a custom quote. Submit a Request for Quote (RFQ) through our website or call our sales team at (904) 998-9101 for immediate pricing assistance.

Do you offer expedited shipping for the 633845?

Yes, we offer same-day processing on in-stock items and provide 24/7 AOG (Aircraft on Ground) support for urgent needs. Standard, expedited, and overnight shipping options are available.