MIL-SPEC Flat Washer, Meets Spec NAS1149, 18-8 Stainless Steel, Round Shape, USA Made, 1/4" Bolt Size , 0.265" ID, 0.500" OD, 0.032" Thick (Pack of 100)

MIL-SPEC Flat Washer, Meets Spec NAS1149, 18-8 Stainless Steel, Round Shape, USA Made, 1/4" Bolt Size , 0.265" ID, 0.500" OD, 0.032" Thick (Pack of 100) Reviews

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MIL-SPEC Flat Washer, Meets Spec NAS1149, 18-8 Stainless Steel, Round Shape, USA Made, 1/4" Bolt Size , 0.265" ID, 0.500" OD, 0.032" Thick (Pack of 100) Feature

• Made in the USA to Military Specifications
• NAS1149 is an updated version of the general purpose Military Specification Flat Washer
• 18-8 Stainless Steel is the most common corrosion resistant Stainless Steel used in Flat Washers
• The sizes listed in this specification cover most industrial and military uses
• Tight tolerances allow use in precision applications

The 3 most popular Military Specification Flat Washers that we offer are MS15795, AN960, NAS1149, and NAS620. These specifications were originally formulated by the Armed Forces of the USA to standardize fasteners being used on military equipment. Over time they have become a popular choice for designers in all industries and programs. All of these specs call out the same material - a 300 series Stainless with passivation. The differences are in the manufacturing tolerances, and the different dimension traits. the first choice should be the MS15795 series, which has the largest OD, and the largest hole diameters. Second choice should be the NAS1149 series. This has a smaller outer diameter, and a tight tolerance on the inner diameter as well as the thickness. AN960 offers an equal to the NAS1149 but with a larger tolerance on the thickness. NAS620 should be the last choice - this series has the smallest outer diameter, and the widest range of thickness tolerance.

Made in the USA. These flat washers are produced in the USA for excellent quality conformance. One of the significant differences between less expensive imported products and ours are the way we stamp. Many cheap imports are produced on gang dies that produce 10 or more washers per stroke of the press. Using such a large die means that the individual washer sets are not adjustable - when the punch wears, the dimensions change and there is no way to fix this as the press produces washers, leading to a large variation in the finished part.

Materials available in many other countries are not as consistent as the domestic steels we use, which gives the imports a cheaper cost, but can lead to failures and inconsistencies when the products are used. The Defense Federal Acquisition Regulation Supplement (DFARS) was created to address this problem. Our materials are DFARS compliant although we do not supply the certification except on special order.

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Detail Products

• Stainless Steel Machine Screw, Pan Head, Phillips Drive, #1-72, 5/16" Length (Pack of 100)
• Tweezerman Men's Shaving Brush
• DeMarle 2409 Silpat 11-5/8-by-16-1/2-Inch Nonstick Silicone Baking Mat

Detail Reviews

Jul 13, 2011 09:50:06

MIL-SPEC Flat Washer, Meets Spec AN960, 18-8 Stainless Steel, Round Shape, USA Made, 1/4" Bolt Size , 0.265" ID, 0.500" OD, 0.053-0.073" Thick (Pack of 100)

MIL-SPEC Flat Washer, Meets Spec AN960, 18-8 Stainless Steel, Round Shape, USA Made, 1/4" Bolt Size , 0.265" ID, 0.500" OD, 0.053-0.073" Thick (Pack of 100) Reviews

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MIL-SPEC Flat Washer, Meets Spec AN960, 18-8 Stainless Steel, Round Shape, USA Made, 1/4" Bolt Size , 0.265" ID, 0.500" OD, 0.053-0.073" Thick (Pack of 100) Feature

• Made in the USA to Military Specifications
• AN960 Series Flat Washers are used extensively in commercial applications
• 18-8 Stainless Steel is the most common corrosion resistant Stainless Steel used in Flat Washers
• Each Inner Diameter and Outer Diameter combination have 2 or 3 thickness choices
• One of the earliest flat washer standards, with wide industry and government acceptance

The 3 most popular Military Specification Flat Washers that we offer are MS15795, AN960, NAS1149, and NAS620. These specifications were originally formulated by the Armed Forces of the USA to standardize fasteners being used on military equipment. Over time they have become a popular choice for designers in all industries and programs. All of these specs call out the same material - a 300 series Stainless with passivation. The differences are in the manufacturing tolerances, and the different dimension traits. the first choice should be the MS15795 series, which has the largest OD, and the largest hole diameters. Second choice should be the NAS1149 series. This has a smaller outer diameter, and a tight tolerance on the inner diameter as well as the thickness. AN960 offers an equal to the NAS1149 but with a larger tolerance on the thickness. NAS620 should be the last choice - this series has the smallest outer diameter, and the widest range of thickness tolerance.

Made in the USA. These flat washers are produced in the USA for excellent quality conformance. One of the significant differences between less expensive imported products and ours are the way we stamp. Many cheap imports are produced on gang dies that produce 10 or more washers per stroke of the press. Using such a large die means that the individual washer sets are not adjustable - when the punch wears, the dimensions change and there is no way to fix this as the press produces washers, leading to a large variation in the finished part.

Materials available in many other countries are not as consistent as the domestic steels we use, which gives the imports a cheaper cost, but can lead to failures and inconsistencies when the products are used. The Defense Federal Acquisition Regulation Supplement (DFARS) was created to address this problem. Our materials are DFARS compliant although we do not supply the certification except on special order.

Visit Store Now !!

Detail Products

Detail Reviews

Jul 11, 2011 05:49:03

Machined Flat Washer with Beveled Outside Edge, Soft Steel, Plain Finish, Round Shape, USA Made, 0.203" ID, 0.500" OD, 0.094" Thick (Pack of 25)

Machined Flat Washer with Beveled Outside Edge, Soft Steel, Plain Finish, Round Shape, USA Made, 0.203" ID, 0.500" OD, 0.094" Thick (Pack of 25) Reviews

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Machined Flat Washer with Beveled Outside Edge, Soft Steel, Plain Finish, Round Shape, USA Made, 0.203" ID, 0.500" OD, 0.094" Thick (Pack of 25) Feature

• Beveled Flat Washers are machined on Lathes, and feature a large bevel or chamfer on the top side
• Originally called "Williams Washers" the large beveled edge on the top of the washer assists operators in assembling products in mass quantities
• 12L14 Low Carbon Steel is machined, and then left soft and plain
• Used in many general industrial applications where corrosion resistance is not needed
• Made In USA for excellent quality conformance

Beveled Flat Washers (also known as "Williams Washers") are turned from solid bar, and feature a large bevel or chamfer on the top outside edge. Originally manufactured for the dual purpose of protecting assemblers from the sharp edges that are possible with a stamped washer, and also to allow them to orient the washer quickly, these washers have gained popularity for other purposes. Used in construction and architectural applications as an interesting visual part of the design, they offer the strength that is provided by their thickness. A small inner diameter provides a tight fit to bolts, rods, and studs, and eliminates most shifting and vibration of the washer. General industrial, marine, power transmission, and agricultural uses are popular.

Manufactured on Lathes from 12L14 Low Carbon Steel, this washer is left soft and plain. Useful for welding this washer to other components, or using it in another manufacturing process. 100% USA made. Available from #10 through 1-1/4" Bolt Size.

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Detail Reviews

May 23, 2011 23:14:08

Beveled FW Flat Washer, 18-8 Stainless Steel, Round Shape, USA Made, #10 Bolt Size, 0.203" ID, 0.500" OD, 0.094" Thick (Pack of 10)

Beveled FW Flat Washer, 18-8 Stainless Steel, Round Shape, USA Made, #10 Bolt Size, 0.203" ID, 0.500" OD, 0.094" Thick (Pack of 10) Reviews

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Beveled FW Flat Washer, 18-8 Stainless Steel, Round Shape, USA Made, #10 Bolt Size, 0.203" ID, 0.500" OD, 0.094" Thick (Pack of 10) Feature

• Beveled Flat Washers are machined on Lathes, and feature a large bevel or chamfer on the top side
• The top bevel allows easier installation in tight spaces, and the part looks like a design feature of any product it is used on
• 18-8 Stainless Steel has a nice surface finish and is the most commonly used corrosion resistant material used
• Chemical, Marine, outdoor, power transmission are a few industries where these parts are used
• Made In USA for excellent quality conformance

Beveled Flat Washers (also known as "Williams Washers") are turned from solid bar, and feature a large bevel or chamfer on the top outside edge. Originally manufactured for the dual purpose of protecting assemblers from the sharp edges that are possible with a stamped washer, and also to allow them to orient the washer quickly, these washers have gained popularity for other purposes. Used in construction and architectural applications as an interesting visual part of the design, they offer the strength that is provided by their thickness. A small inner diameter provides a tight fit to bolts, rods, and studs, and eliminates most shifting and vibration of the washer. General industrial, marine, power transmission, and agricultural uses are popular.

Manufactured on Lathes from Type 303 Stainless Steel bar, this washer is 100% USA made. Available from #10 through 1-1/4" Bolt Size.

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Detail Products

Detail Reviews

Apr 28, 2011 19:31:03