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Dzus studs are the visible and functional element of quarter turn fastener systems used on aircraft panels and access points. Our selection includes a range of stud lengths, head styles, and retention types to match original WWII and vintage aircraft applications.

Proper stud selection depends on panel thickness, grommet configuration, and spring engagement. We provide sizing guidance and reference data to help ensure correct fitment and secure locking performance. Using the wrong stud length can result in loose panels or excessive preload, both of which can lead to damage or failure.

We prioritize compatibility with original Dzus systems and offer support in identifying correct replacements when working from worn or incomplete assemblies. Accurate stud selection helps maintain both the structural integrity and serviceability of aircraft panels.

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  • AW4-30 Dzus Stud Winged
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    AW4-30 Dzus Stud Winged

    his AW4-30 DZUS Stud Winged is in NS condition and ready to be part of any aircraft restoration project!Part Number: AW4-30Part Type: AW4-30 DZUS Stud WingedPart Features: This is an original Part in NS condition. Due to age and shelf wear...

  • AJW4-30 Dzus Stud Winged
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    AJW4-30 Dzus Stud Winged

    his AJW4-30 DZUS Stud Winged is in NS condition and ready to be part of any aircraft restoration project!Part Number: AJW4-30Part Type: AJW4-30 DZUS Stud WingedPart Features: This is an original Part in NS condition. Due to age and shelf...

  • FA6-1/2-85 Dzus Stud - 13/32" Dia Stud .850 Length
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    FA6-1/2-85 Dzus Stud - 13/32" Dia Stud .850 Length

    his FA6-1/2-85 DZUS STUD is in NS condition and ready to be part of any aircraft restoration project!Part Number: FA6-1/2-85Part Type: FA6-1/2-85 DZUS STUDPart Features: This is an original Part in NS condition. Due to age and shelf...

  • FA6 DZUS STUD
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    FA6-1/2-116 DZUS STUD

    This FA6-1/2-116 DZUS STUD is in NS condition and ready to be part of any aircraft restoration project!Part Number: FA6-1/2-116Part Type: FA6-1/2-116 DZUS STUDPart Features: This is an original Part in NS condition. Due to age and...

  • A4-25W - Stud - Dzus
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    A4-25W - Stud - Dzus

    This A4-25W - Stud - Dzus is in NS condition and ready to be part of P-51, Various aircraft restoration projects!Part Number: A4-25WPart Type: A4-25W - Stud - DzusPart Features: Due to age and shelf wear this part is old "as-is" and airworthiness is to...

  • Type F Dzus Stud Fastener
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    F6-1/2-50 Dzus Stud - 13/32" Dia Stud .500 Length

    F6-1/2-50 is a Dzus Type F flush/countersunk head stud with a 13/32" body diameter and .500" length. Locks with a quarter-turn into a mating Type S6-1/2 spring. Used on cowlings, access panels, and engine covers on WWII and vintage aircraft.Part Number:...

  • Type F Dzus Stud Fastener
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    F4-30 Dzus Stud - 1/4" Dia Stud .300 Length

    F4-30 is a Dzus Type F flush/countersunk head stud with a 1/4" body diameter and .300" length. Locks with a quarter-turn into a mating Type S4 spring. Used on cowlings, access panels, and engine covers on WWII and vintage aircraft.Part Number: F4-30Head...

  • Type F Dzus Stud Fastener
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    F4-25 Dzus Stud - 1/4" Dia Stud .250 Length

    F4-25 is a Dzus Type F flush/countersunk head stud with a 1/4" body diameter and .250" length. Locks with a quarter-turn into a mating Type S4 spring. Used on cowlings, access panels, and engine covers on WWII and vintage aircraft.Part Number: F4-25Head...

  • Type F Dzus Stud Fastener
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    F3-25 Dzus Stud - 3/16" Dia Stud .250 Length

    F3-25 is a Dzus Type F flush/countersunk head stud with a 3/16" body diameter and .250" length. Locks with a quarter-turn into a mating Type S3 spring. Used on cowlings, access panels, and engine covers on WWII and vintage aircraft.Part Number: F3-25Head...

  • Type A Dzus Stud Fastener
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    A5-70 Dzus Stud - 5/16" Body Diameter .700" Length

    A5-70 is a Dzus Type A oval/button head stud with a 5/16" body diameter and .700" length. Locks with a quarter-turn into a mating Type S5 spring. Used on cowlings, access panels, and engine covers on WWII and vintage aircraft.Part Number: A5-70Head Type:...

  • Type A Dzus Stud Fastener
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    A5-50 Dzus Stud - 5/16" Body Diameter .500" Length

    A5-50 is a Dzus Type A oval/button head stud with a 5/16" body diameter and .500" length. Locks with a quarter-turn into a mating Type S5 spring. Used on cowlings, access panels, and engine covers on WWII and vintage aircraft.Part Number: A5-50Head Type:...

  • Type A Dzus Stud Fastener
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    A5-45 Dzus Stud - 5/16" Body Diameter .450" Length

    A5-45 is a Dzus Type A oval/button head stud with a 5/16" body diameter and .450" length. Locks with a quarter-turn into a mating Type S5 spring. Used on cowlings, access panels, and engine covers on WWII and vintage aircraft.Part Number: A5-45Head Type:...