THRU BOLT (P/N ala-20gs) - New Surplus

The ala-20gs is a through bolt manufactured from aircraft-grade steel for securing engine crankcase components. This fastener passes through the case to clamp opposing cylinders and bearing supports, maintaining case alignment and structural preload during engine assembly or overhaul. Installation requires torquing per engine manufacturer specifications and FAA AC 43.13-1B hardware practices.

Verify bolt dimensions and thread specifications before replacement to ensure proper fit with existing crankcase interfaces.

What is the THRU BOLT (P/N ala-20gs)?

The ala-20gs is a through bolt manufactured from aircraft-grade steel for securing engine crankcase components. This fastener passes through the case to clamp opposing cylinders and bearing supports, maintaining case alignment and structural preload during engine assembly or overhaul.

Does the ala-20gs meet AN/MS/NAS aviation specifications?

Aircraft hardware is manufactured to military and aviation specifications. The THRU BOLT 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 ala-20gs 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 ala-20gs.

Can I order the ala-20gs in custom quantities?

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