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Genuine Aircraft Hardware Co.

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Nuts, Locking

Locknuts of various styles and sizes

We have a very good selection of Locknuts in many Styles, Sizes and Materials. In the picture are shown the most popular ones that we stock but not all of them. If you need an aircraft locknut that is not shown please call or e-mail us and we may have it or may be able to get it for you. The common part numbers we stock are MS14114, MS14145, MS17825, MS17826, MS20500, MS21042, MS21043, MS21044N, MS21044C, MS21045-, MS21045L, MS21045C, MS21046C, MS21083N, MS21083C, MS21245-, MS21245L, NAS679A, NAS679C, NAS1804, and NAS1805. Many of these are replacements for the superseded numbers, AN363-, AN363C, AN364, AN364C, AN365-, MS20364, MS20365-(XXX)A, MS20365-(XXX)C, NAS1021, NAS1022. Please download the Locknuts from our reference book, or better yet order our reference book and get all the info on our hardware!

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