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If you know the exact part number, enter it in the search box. Most part numbers require an MS prefix (MS40S5-2S). If you are unsure of the part number, type the first 3 letters or numbers and put an * after it to broaden your search results. Or try our SITE MAP.


 

Aircraft fasteners cowling kits racing and 1/4 turn studs Made in USA

This website offers general information and easy access to our products. If you need detailed technical expertise, please contact our design team with specific requests.

Cowling Fastener Conversion Kits - STC Approved
Cowling Fastener Conversion Kits - STC Approved

These kits will convert the original style fasteners to MilSpec's far superior C-Spec fastening system. Kits include new fasteners, grommets, and retaining rings, all in bright and shiny stainless steel. Plus, new receptacles, drill templates, alignment guides, attachment hardware and complete instruction documents with a copy of the STC for your log-books.

You have the choice of Slotted Head or Phillips (cross recess) Head fasteners. Our slotted head studs have a unique enclosed (collared) slot which prevents the screwdriver from slipping out and damaging expensive paint. Our Phillips heads are a standard #2 size.

Don't forget about installation tooling. If you need guidance as to which tools may be required for your particular selection, please contact us and we will let you know. We keep all installation tools in stock for purchase or rental.


 

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  • Cowling Fastener Conversion Kits - STC Approved Upgrades

Upgrade any Cessna 150, 172, 175, 177, 180 or 182 to the new modern standard of cowling fasteners from MilSpec!

Upgrade any Beech 33, 35 or 36 aircraft to the new modern standard of cowling fasteners from MilSpec!

    About us

    We appreciate the support from everyone that uses Genuine MilSpec Products, and over the years it has been that support which has led to our growth. We will continue to work hard to provide fast, friendly and dependable service that will earn your trust in the future.


    MilSpec makes no claims regarding suitability of any item for any application. It is the responsibility of the purchaser, or installer to ensure proper usage and regulatory compliance.

    All content Copyright 1993 - 2017© MilSpec Products, Inc., All Rights Reserved. Trademarks® referenced are the property of their respective owners and do not indicate affiliation with MilSpec.

    Contact us
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    MilSpec Products
    31537 Long Acres Dr.
    Sorrento, FL 32776
    352-735-0065
    352-735-0504 (fax)
    milspecprod@earthlink.net
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