McMaster-Carr logo
    Filter by
    System of Measurement
    Screw Size
    Industrial Info Snippet
    Washer Type
    Certification
    DFARS Specialty Metals
    Export Control Classification Number (ECCN)
    Industrial Info Snippet
    Hardness
    Military Specification
    U.S.–Mexico–Canada Agreement (USMCA) Qualifying
    Forward
    Enter e-mail addresses in the fields below
    Message
    Cancel
    Print
    How can we improve?
    Comments
    E-mail address (if you would like a response)
    1 Product

    Mil. Spec. Washers

    Image of Product. Front orientation. Washers. Mil. Spec. Washers.
    These washers are manufactured and tested to strict U.S. military standards for material and construction. They take the pressure off screws and nuts to protect mounting surfaces.
    AluminumAbout Aluminum
    One-third the weight of steel, these washers are commonly used in robotics, automation, and other applications that have weight limits. They're an alternative to stainless steel for rust resistance.
    High-Strength 2024 Aluminum—The strongest aluminum washers we offer, these are comparable in strength to steel.
    For Screw
    Size
    ID
    OD
    Thk.
    Mil. Spec.
    Pkg.
    Qty.
    Pkg.
    High-Strength 2024 Aluminum
    5/16"
    		0.328"0.562"0.028" to 0.036"NAS1149-D0532H5094589A636000000
    Aluminum Mil. Spec. Washer, 2024 Aluminum, for 5/16" Screw Size, NAS1149-D0532H
    $12.32 per pack of 50 /
    $0.25 per piece
    Pack of 50In stock
    Compatible Products for This Washer
     
    back to top