PIN: COTTER (P/N ab-90751-18) - New Surplus
P/N: ab-90751-18
Category: Fasteners & Hardware
This product requires a custom quote. Please contact our sales team for pricing information or submit an RFQ (Request for Quote).
Available Inventory
| Condition | Stock |
|---|---|
| New Surplus | 1 Available |
Product Description
The ab-90751-18 is a cotter pin designed to lock castle nuts and prevent fastener rotation under aircraft vibration. This steel pin conforms to NASM24665 specifications and installs through drilled bolt holes, with prongs bent to secure the nut in place. Commonly used in control linkages and other critical fastening applications where mechanical locking is required.
Installation follows FAA AC 43.13-1B guidance: select the largest pin size that fits the hole, insert through the bolt and castle nut, then bend both prongs outward to prevent removal during operation. Always verify the applicable aircraft maintenance manual for specific installation requirements and approved sizes for your application.
Please note: Product descriptions are provided for informational purposes. Always refer to your aircraft's Illustrated Parts Catalog (IPC) to verify part compatibility and specifications.
Frequently Asked Questions
What is the PIN: COTTER (P/N ab-90751-18)?
The ab-90751-18 is a cotter pin designed to lock castle nuts and prevent fastener rotation under aircraft vibration. This steel pin conforms to NASM24665 specifications and installs through drilled bolt holes, with prongs bent to secure the nut in place.
Does the ab-90751-18 meet AN/MS/NAS aviation specifications?
Aircraft hardware is manufactured to military and aviation specifications. The PIN: COTTER 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 ab-90751-18 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 ab-90751-18.
Can I order the ab-90751-18 in custom quantities?
Yes, we sell hardware in various quantities from single units to bulk lots. The PIN: COTTER is available in: New Surplus. Submit an RFQ for volume pricing or call (904) 998-9101 for quantity availability.
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