PIN (P/N sp90c4) - New Surplus

The sp90c4 is a split cotter pin conforming to MS24665-132 specifications for aircraft fastener retention. This steel pin locks castellated nuts and clevis assemblies in place, preventing fastener back-off on control linkages, flight surfaces, and structural connections. The split design creates positive mechanical locking when installed through aligned holes in bolt shanks.

Install per aircraft maintenance manual requirements, verifying correct length and standard before replacement. Essential for airframe safety-critical applications.

What is the PIN (P/N sp90c4)?

The sp90c4 is a split cotter pin conforming to MS24665-132 specifications for aircraft fastener retention. This steel pin locks castellated nuts and clevis assemblies in place, preventing fastener back-off on control linkages, flight surfaces, and structural connections.

Does the sp90c4 meet AN/MS/NAS aviation specifications?

Aircraft hardware is manufactured to military and aviation specifications. The PIN 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 sp90c4 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 sp90c4.

Can I order the sp90c4 in custom quantities?

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