MS21299C7

Military Standard Recessed Washer

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Description:

Hole Diameter: 1/2

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MS21299C7 Price:
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$1.49 Each
Quantity:
Pre-packaged bag qty: 25 ea
* Sold in increments of 25
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MS21299C7 Datasheet Features and Specification

Hardness Rating:
Between 39.0 rockwell c and 45.0 rockwell c
Hole Diameter:
Between 0.439 inches and 0.443 inches
Material:
Steel comp 4130
Material Specification:
Mil-s-6758 military specification single material response and mil-s-18729 military specification single material response
Material Thickness:
Between 0.071 inches and 0.085 inches
Outside Diameter:
Between 0.821 inches and 0.831 inches
Recess Angle:
90.0 degrees
Recess Diameter:
Between 0.539 inches and 0.569 inches
Style Designator:
15 recessed
Surface Treatment:
Cadmium
Surface Treatment Specification:
Class 2 federal specification single treatment response type 2 qq-p-416
Quick Specs
Material Steel

Additional Information

Alternate Part Numbers

  • MS21299-C7
SKU / Model: MS21299C7
NSN: 5310-01-134-8752
FSC: Nuts and Washers / 5310
Product Series: MS21299C
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 25
ECCN: EAR99
National Motor Freight: 194160, Washer Or Gaskets, Iron Or Steel,
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MS21299C7_Military-Fasteners-com.pdf
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Always great with your orders. Ordered 2 tires on a Sunday and they were delivered on Tuesday with free shipping and no tax.

4.0

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.

5.0

I have built an airplane with parts from Military Fasteners. In the last years I have only had one issue involving warranty problems and that was resolved by the factory. Good service and quality parts/availability are very good at Military Fasteners.

5.0

Have been buying from you for many years and have been very very satisfied.

5.0