MS21206C7

Military Standard Recessed Washer

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Description:

MS21206C7 Recessed Washer

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MS21206C7 Datasheet Features and Specification

Hole Diameter:
0.439 inches minimum and 0.443 inches maximum
Outside Diameter:
0.773 inches minimum and 0.783 inches maximum
Recess Diameter:
0.559 inches minimum and 0.569 inches maximum
Material Thickness:
0.071 inches minimum and 0.085 inches maximum
Hardness Rating:
38.0 rockwell c minimum and 45.0 rockwell c maximum
Recess Angle:
90.0 degrees nominal
Material:
Steel comp 4130 overall
Material Specification:
Mil-s-658 mil spec 1st material response overall or mil-s-18729 mil spec 2nd material response overall
Surface Treatment:
Cadmium overall
Surface Treatment Specification:
Qq-p-416,ty 2,cl 2 fed spec single treatment response overall
Style Designator:
15 recessed

Additional Information

Alternate Part Numbers

SKU / Model: MS21206C7
NSN: 5310-01-057-0186
FSC: Nuts and Washers / 5310
Product Series: MS21206C
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 100
ECCN: EAR99
National Motor Freight: 194160, Washer Or Gaskets, Iron Or Steel,
Download PDF Version
MS21206C7_Military-Fasteners-com.pdf
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MS21206-C7

Hole Diameter: 1/2in.

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MS21206C6

To fit size: #3/8, washer countersunk and plain cadmium plated steel, 5310-01-057-3627

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I have dealt with Military Fasteners a few times and they have always been extremely helpful and knowledgeable. Ramona has always been wonderful to work with and goes out of her way to help you find what you need. Definitely recommended!

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Fast, friendly and professional service that only Military Fasteners can provide with every order that I have placed with them.

5.0

Recently my avionics technician and I were installing a component in my aircraft and there were some critical fasteners missing from the manufactures package. This stopped the entire process. I called Military Fasteners after finding the parts on line, and Trisha answered the phone. I told her the situation and that I needed them ASAP. I found the parts gave her the part number and she confirmed they were in stock. This was about 430 in the afternoon just before closing. Trisha was kind and professional got the parts out the door that evening even though it was after the shipping cut off. Saved the day. I can tell you this entire company is represented by Trisha, anything they can do to help you out of a jamb they will absolutely go the extra mile and Trisha is the go to person. I am sure there are others there with her same attitude and professionalism. This is a great resource for all your fasteners needs.

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