The AN310-8 Castellated Hex Nut is a fundamental component within aircraft fastening systems, designed to provide secure mechanical attachment in environments subject to vibration and dynamic loads. This specific fastener belongs to the general category of airframe hardware, playing a critical role in maintaining the structural integrity and operational safety of various aircraft systems by positively locking bolts against rotation.
Specs
The AN310-8 is characterized by its steel construction, finished with cadmium plating for enhanced corrosion resistance. As a castellated nut, it features six slots around its crown, engineered to accommodate a cotter pin or safety wire, which passes through a corresponding hole in the bolt shank to prevent the nut from backing off.
Fitment
This standard aircraft hardware item finds extensive application across a range of aviation platforms. Specifically, the AN310-8 nut is a specified component for the Beechcraft T-34 Mentor, where its robust design and positive locking capability are essential for critical assemblies.
Cross-References
As a widely adopted military-standard part, the AN310-8 is produced by numerous certified manufacturers to identical specifications, ensuring interchangeability and consistent performance across the aviation industry. Its design adheres to the strict requirements of the AN (Army-Navy)
- Stock: Out of Stock - On Backorder
- Manufacturer Part #: AN310-8
- Part#: AN310-8
Aircraft Fitment Finder
Returns & refund summary
- 30-day return window — with prior return authorization, unopened in original packaging.
- Restocking fee: 20% on unopened items, 30% on open-box items.
- Refund processing fee: 5.51% applies to all refunds (returns, cancellations, core-fee refunds) regardless of reason.
- Return shipping: paid by buyer.
- Non-returnable categories: installed/used parts, special-order or rebuilt items, programmed items (incl. ELTs), batteries, AOG-priority orders, international orders.
Full terms: Return Policy.
Authenticity & authorization
All parts sold by American Aviation Parts are genuine factory products sourced through authorized distribution channels. Our authorization status varies by brand — for some brands we are a direct authorized dealer; for others we are an independent reseller through authorized distribution. Either way, the part you receive is the same factory product, with standard documentation available on request.
See our full Manufacturer Authorizations page for the current per-brand status.
Need traceability paperwork?
If your installation requires FAA Form 8130-3, manufacturer Certificate of Conformance, or other traceability documentation, please call 1-877-722-8727 or email [email protected] before placing the order so we can confirm what is available for this part.
Shipping
Standard ground, expedited, and AOG shipping options are available at checkout. Full shipping-cost tiers and timelines are published on our Delivery Information page.
