Mil. Spec. Hex Nuts | McMaster-Carr

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	Thread Size Thread Size

	Material Material

Stainless Steel

	Finish Finish

Cadmium Yellow-Chromate
Plated

	Nut Type Nut Type


Hex	Locknut

Flange

	Specifications Met Specifications Met

Mil. Spec.

Fed. Spec.

NAS

	Hex Nut Profile Hex Nut Profile


Standard	Narrow

Thin

	Height Height

	Width Width

	Locking Type Locking Type


Nylon Insert	Distorted Thread

Flex-Top

	Fastener Strength Grade/Class Fastener Strength Grade/Class


Grade 5	Grade 8

	Thread Fit Thread Fit

	Thread Spacing Thread Spacing

	Thread Type Thread Type

	Flange Diameter Flange Diameter

	Flange Thickness Flange Thickness

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164 Products

About Nuts, Materials, and Finishes

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Hex Nuts

Mil. Spec. 18-8
Stainless Steel Hex Nuts

Mil. Spec. 18-8 Stainless Steel Hex Nuts

Choose these nuts for their adherence to strict military standards for material and construction.

Mil. Spec. High-Strength
Steel Hex Nuts

Mil. Spec. High-Strength Steel Hex Nuts

Choose these nuts for their adherence to strict military standards for material and construction.

Mil. Spec. Low-Strength
Steel Hex Nuts

Mil. Spec. Low-Strength Steel Hex Nuts

Choose these nuts for their adherence to strict military standards for material and construction.

Mil. Spec. Medium-Strength
Steel Hex Nuts

Mil. Spec. Medium-Strength Steel Hex Nuts

Choose these nuts for their adherence to strict military standards for material and construction.

Mil. Spec. 18-8 Stainless
Steel Narrow Hex Nuts

Mil. Spec. 18-8 Stainless Steel Narrow Hex Nuts

Choose these nuts for their adherence to strict military standards for material and construction.

Mil. Spec. 18-8 Stainless
Steel Thin Hex Nuts

Mil. Spec. 18-8 Stainless Steel Thin Hex Nuts

Choose these nuts for their adherence to strict military standards for material and construction.

Locknuts

Mil. Spec. 18-8 Stainless
Steel Nylon-Insert Locknuts

Mil. Spec. 18-8 Stainless Steel Nylon-Insert Locknuts

Choose these locknuts for their adherence to strict military standards for material and construction.

Mil. Spec. Low-Strength
Steel Nylon-Insert Locknuts

Mil. Spec. Low-Strength Steel Nylon-Insert Locknuts

Choose these locknuts for their adherence to strict military standards for material and construction. They’re low-strength steel, so they should be used for fastening panels and other light duty fastening applications.

Mil. Spec. 18-8 Stainless Steel
Thin Nylon-Insert Locknuts

Mil. Spec. 18-8 Stainless Steel Thin Nylon-Insert Locknuts

Choose these locknuts for their adherence to strict military standards for material and construction.

Mil. Spec. Low-Strength Steel
Thin Nylon-Insert Locknuts

Mil. Spec. Low-Strength Steel Thin Nylon-Insert Locknuts

Choose these locknuts for their adherence to strict military standards for material and construction.

Mil. Spec. Stainless Steel Flex-Top
Locknuts for Heavy Vibration

Mil. Spec. Stainless Steel Flex-Top Locknuts for Heavy Vibration

Choose these locknuts for their adherence to strict military standards for material and construction.

Mil. Spec. Steel Flex-Top
Locknuts for Heavy Vibration

Mil. Spec. Steel Flex-Top Locknuts for Heavy Vibration

Choose these locknuts for their adherence to strict military standards for material and construction.

Distorted-Thread Flange Locknuts

Stainless Steel Distorted-Thread
Flange Locknuts

Stainless Steel Distorted-Thread Flange Locknuts

Stainless steel flange locknuts have excellent corrosion resistance in most environments.

Mil. Spec. Low-Strength Steel
Distorted-Thread Flange Locknuts

Mil. Spec. Low-Strength Steel Distorted-Thread Flange Locknuts

Choose these flange locknuts for their adherence to strict military standards for material and construction.

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The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)