STUD (P/N 401893) - New Surplus

The 401893 is a dual-thread stud for Continental O-470 series engines. This fastener features 1/4-20 coarse threads on one end and 1/4-28 fine threads on the opposite end, allowing staged engagement during assembly. Commonly used in Continental exhaust assemblies to secure flanges and engine components.

Installation should follow the Continental engine maintenance manual specifications. Verify part applicability in the aircraft's Illustrated Parts Catalog before use. The dual-thread design accommodates both initial coarse engagement and final fine-thread locking.

What is the STUD (P/N 401893)?

The 401893 is a dual-thread stud for Continental O-470 series engines. This fastener features 1/4-20 coarse threads on one end and 1/4-28 fine threads on the opposite end, allowing staged engagement during assembly.

Does the 401893 meet AN/MS/NAS aviation specifications?

Aircraft hardware is manufactured to military and aviation specifications. The STUD 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 401893 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 401893.

Can I order the 401893 in custom quantities?

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