STUD,TURNLOCK FASTENER (P/N 4002-9) - New Surplus

The 4002-9 is a quarter-turn turnlock fastener stud with slotted drive for aircraft panel retention. This steel stud assembly features a 3/8-inch diameter and flat countersunk head, designed to mate with corresponding receptacles for quick-release access panel fastening. Commonly used to secure removable engine cowls, inspection covers, and maintenance access doors on general aviation aircraft.

Installation requires verifying grip length against panel stack-up and following the aircraft maintenance manual specifications for proper engagement and torque.

What is the STUD,TURNLOCK FASTENER (P/N 4002-9)?

The 4002-9 is a quarter-turn turnlock fastener stud with slotted drive for aircraft panel retention. This steel stud assembly features a 3/8-inch diameter and flat countersunk head, designed to mate with corresponding receptacles for quick-release access panel fastening.

Does the 4002-9 meet AN/MS/NAS aviation specifications?

Aircraft hardware is manufactured to military and aviation specifications. The STUD,TURNLOCK FASTENER 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 4002-9 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 4002-9.

Can I order the 4002-9 in custom quantities?

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