MS21299C5

Military Standard Recessed Washer

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Description:

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

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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

Alternate Part Numbers

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,
Download PDF Version
MS21299C5_Military-Fasteners-com.pdf
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We were able to find the parts needed at a competitive price. Jasmine Morales was helpful in fulfilling this order.

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Brittany has always provided me with excellent service on phone calls and in emails! Brittany is always extremely helpful, friendly and she goes the extra mile to help! Thank you very much Brittany!!

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I recently had the pleasure of working with Military Fasteners and I couldn't be more satisfied with the experience. Trisha Hawkins provided exceptional customer service and went above and beyond to ensure I found exactly what I needed. The quality of the fasteners is top-notch and the delivery was prompt. I highly recommend Military Fasteners for their outstanding products and excellent service. Thank you, Trisha, for making the process so smooth and efficient!

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