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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.

A-Spec Fastening System (AirlocŪ compatible)
A-Spec Fastening System (AirlocŪ compatible)

This fastener design consists of a simple stud, with a cross pin pressed into the shank. The pin must be pressed in after the stud is inserted through the panel hole and removed from the stud prior to removing the fastener from the panel. Most applications use a flare type grommet in the hole to protect it from wear due to vibration. Unlike other fastener styles, this grommet may not require replacement when installing new studs. However, we do carry new grommets in the event that replacement is required.

The stud's head diameter determines the stud series. Each stud series is available in either a countersunk (flush) or a round head style. Stud diameters and head styles are specified in the Base Part Number. Studs come in different Total Lengths (blank lengths) which are indicated by the first dash number. The second dash number denotes the maximum total material thickness (TMT, grip length) the stud can accommodate in thousandths of an inch. Each stud blank length can have up to ten (10) second dash numbers, or grip sizes. These dash numbers are stamped in the head of the stud for easy reference. A-Spec fasteners have the least grip range between sizes of any quick release fastener (0.010"). Therefore, it is important to measure accurately when using them.

* Each new stud will require a new cross pin and maybe a new grommet. So be sure to add them before checking out, and don't forget about the installation tools. We keep all of these items in stock to make your project go smoothly. If you have any questions or need additional information, please Contact Us.


 

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  • A-Spec Fasteners (AirlocŪ Compatible)

Countersunk (Flush) or Oval Head in Stainless Steel. Now available in Phillips head! (cross recess)

Countersunk (Flush) or Oval Head in Stainless Steel. Now available in Phillips head! (cross recess)

New cross pins are required when installing new studs. They are press fit and installed with tool number MS-ALPT.

New grommets are not always necessary when replacing studs but, we recommend them as a preventative measure against panel hole enlargement due to vibration.

Stamped steel type receptacles for #2 and #5 series A-Spec (Airloc®) fasteners.

Tools for installing cross pins and flaring A-Spec (Airloc®) grommets.

    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.

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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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