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.

Does the 633845 meet AN/MS/NAS aviation specifications?

Aircraft hardware is manufactured to military and aviation specifications. The SCREW-.25-20 X.41 LG conforms to its applicable AN (Air Force-Navy), MS (Military Standard), or NAS (National Aerospace Standard) specification. Contact us for specific specification details.

What material is the 633845 manufactured from?

Aviation hardware is available in various materials including cadmium-plated steel, stainless steel, aluminum alloy, and titanium depending on the application. Contact us for material certification and specifications for the 633845.

Can I order the 633845 in custom quantities?

Yes, we sell hardware in various quantities from single units to bulk lots. The SCREW-.25-20 X.41 LG is available in: New Surplus. Submit an RFQ for volume pricing or call (904) 998-9101 for quantity availability.