MS21299C5

Military Standard Recessed Washer

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Description:

size: 5/16", washer, countersunk, cadmium plated steel

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MS21299C5 Price:
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$0.25 Each
Quantity:
Pre-packaged bag qty: 100 ea
* Sold in increments of 100
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MS21299C5 Datasheet Features and Specification

Hole Diameter:
0.314 inches minimum and 0.318 inches maximum
Outside Diameter:
0.588 inches minimum and 0.598 inches maximum
Recess Diameter:
0.402 inches minimum and 0.412 inches maximum
Material Thickness:
0.057 inches minimum and 0.069 inches maximum
Hardness Rating:
39.0 rockwell c minimum and 45.0 rockwell c maximum
Recess Angle:
90.0 degrees nominal
Material:
Steel comp 4130 overall
Material Specification:
Mil-s-6758 mil spec single material response overall or mil-s-18729 mil spec single material response overall
Surface Treatment:
Cadmium overall and chromate overall
Surface Treatment Specification:
Qq-p-416,ty 2,cl 2 fed spec single treatment response overall
Style Designator:
15 recessed

Additional Information

SKU / Model: MS21299C5
NSN: 5310-01-011-3094
FSC: Nuts and Washers / 5310
Product Series: MS21299C
Pack Weight (Approx.) 0.335 lb
Minimum Qty (MOQ): 100
ECCN: EAR99
National Motor Freight: 194160, Washer Or Gaskets, Iron Or Steel,
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MS21299C5_Military-Fasteners-com.pdf
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Customer Reviews

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Another good experience with Military Fasteners, and our Sales Rep, Dan Hunter. We needed hardware for an older aircraft model, and Dan's expertise was exceptional. He quickly identified fasteners, even for parts with unclear descriptions, and provided invaluable technical assistance. The supporting data was spot-on, verified by our technicians. Despite finding slightly lower prices elsewhere, the unmatched service and expertise from Military Fasteners, particularly Dan, make them our preferred choice. Our order was delivered ahead of schedule. Highly recommend MilFast for top-notch service and technical support!

5.0

Discovered on Wednesday evening I needed a new tire / tube. I had it in my hands Friday in time for a weekend install. Great service!!

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

Dependable! I KNOW that my orders with military fasteners will go out the same day and that the rare backorder will be shipped without my having to follow up.

5.0