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MIL-SPEC Flat Washer, Meets Spec MS15795, 18-8 Stainless Steel, Round Shape, USA Made
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Product Specifications
- Brand Name
- Small Parts
- Finish Types
- Passivated
- Material Type
- 18-8 SS
- Specification Met
- MS15795-801
- System of Measurement
- Inch
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Key Features
- Made in the USA to Military Specifications
- MS15795 series is one of the original general purpose flat washer military specification
- 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
Product Description
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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