McMaster-Carr logo
    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)
    24 Products

    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.
    Nickel
    Highly Corrosion-Resistant 400 Nickel—Commonly found in the oil and gas industries, these washers have similar strength to 316 stainless steel, but are more corrosion resistant to stand up to salt water and harsh acids. They're often used as a high-strength alternative to titanium. Also known as Monel.
    For Screw
    Size
    ID
    OD
    Thk.
    Mil. Spec.
    Pkg.
    Qty.
    Pkg.
    Highly Corrosion-Resistant 400 Nickel
    No. 1
    		0.078"0.188"0.016" to 0.025"MS15795-40125000000000000000
    No. 2
    		0.094"0.250"0.016" to 0.025"MS15795-4022500000000000000
    No. 4
    		0.125"0.250"0.017" to 0.028"MS15795-4032500000000000000
    No. 4
    		0.125"0.312"0.025" to 0.040"MS15795-4042500000000000000
    No. 6
    		0.156"0.312"0.027" to 0.048"MS15795-4052500000000000000
    No. 8
    		0.188"0.375"0.036" to 0.065"MS15795-4071000000000000000
    No. 8
    		0.188"0.438"0.036" to 0.065"MS15795-4411000000000000000
    No. 10
    		0.219"0.438"0.036" to 0.065"MS15795-4081000000000000000
    No. 10
    		0.219"0.500"0.036" to 0.065"MS15795-4421000000000000000
    1/4"
    		0.281"0.625"0.051" to 0.080"MS15795-410500000000000000
    1/4"
    		0.312"0.734"0.051" to 0.080"MS15795-411500000000000000
    5/16"
    		0.344"0.688"0.051" to 0.080"MS15795-412500000000000000
    3/8"
    		0.406"0.625"0.051" to 0.080"MS15795-448500000000000000
    3/8"
    		0.406"0.812"0.051" to 0.080"MS15795-41410000000000000
    7/16"
    		0.500"0.875"0.058" to 0.070"MS15795-44910000000000000
    1/2"
    		0.531"1.062"0.074" to 0.121"MS15795-418100000000000000
    5/8"
    		0.688"1.750"0.108" to 0.160"MS15795-421100000000000000
    3/4"
    		0.812"1.469"0.108" to 0.160"MS15795-422100000000000000
     

    General Purpose Washers

    Image of Product. Front orientation. Washers. General Purpose Washers.
    Your go-to metal washer for every screw size. Washers take the pressure off nuts and screws to protect mounting surfaces.
    Nickel
    Highly Corrosion-Resistant 400 Nickel—Commonly found in the oil and gas industries, these washers have similar strength to 316 stainless steel, but are more corrosion resistant to stand up to salt water and harsh acids. They're often used as a high-strength alternative to titanium. Also known as Monel.
    For Screw
    Size
    ID
    OD
    Thk.
    Pkg.
    Qty.
    Pkg.
    Highly Corrosion-Resistant 400 Nickel
    1/4"
    		0.265"0.688"0.047" to 0.052"10000000000000000
    5/16"
    		0.344"0.750"0.047" to 0.052"500000000000000
    3/8"
    		0.390"1.000"0.054" to 0.068"500000000000000
    1/2"
    		0.562"1.250"0.071" to 0.084"10000000000000
    5/8"
    		0.688"1.500"0.071" to 0.084"100000000000000
    3/4"
    		0.812"1.750"0.085" to 0.102"100000000000000
     
    back to top