MS51959-8B

Military Standard Machine Screw

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Description:

Fastener Length: 5/8", Thread: 2-56, Thread Length: 9/16

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MS51959-8B Datasheet Features and Specification

Thread Class:
2a
Thread Direction:
Right-hand
Thread Length:
0.507 inches minimum and 0.574 inches maximum
Fastener Length:
0.594 inches minimum and 0.625 inches maximum
Head Style:
Flat countersunk
Head Diameter:
0.147 inches minimum and 0.172 inches maximum
Internal Drive Style:
Cross recess type 1
Thread Diameter:
0.086 inches
Thready Qty Per Inch (tpi):
56
Min. Tensile Strength (psi):
80000 pounds per square inch
Countersink Angle:
80.0 degrees minimum and 82.0 degrees maximum
Screw Material:
Steel corrosion resisting or steel
Screw Material Specification:
Qq-s-763,300 series fed spec 1st material response or 66,300 series fed std 1st material response or comp 16-18 or 18-8 assn std 2nd material response
Thread Series Designator:
Unc
Quick Specs
Thread Size 2
Thread Qty 56
Material Stainless Steel
Length 5/8

Additional Information

SKU / Model: MS519598B
NSN: 5305-00-421-9910
FSC: Screws / 5305
Product Series: MS51959
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 20
Schedule B: 7318.15.6080
ECCN: EAR99
National Motor Freight: 096640, Screws, Iron Or Steel
Download PDF Version
MS51959-8B_Military-Fasteners-com.pdf
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Have to tell you that you have the best in Brittany Cornish. She is always the most help in getting our ordered placed as soon as we send it in and always on time delivery. She is very responsive with any and all issues if any which we never have any dealing with her. She always goes above and beyond to follow up even after we received our order. We only wish all of our Vendors that we deal with on a daily basis were as wonderful as she is. Her personality is bar none.

5.0

I placed this order late at 4:15 over the phone, 15 minutes past the cut off time.(Which rarely happens) It was critical for us to get the sparkplugs as a customer had called me and scheduled to bring his plane in the next day to have all his plugs replaced. My sales agent said she would personally go and pull the product so it would ship that day, and she did what she said. She saved me the embarrassment of telling my customer I forgot to order his parts on time and making him reschedule a maintenance visit. I am thankful you have people like her who really care about the customer and want to put in the extra effort for customer service. In my aircraft maintenance business I purchase everything I can first from Military Fasteners before I go looking for other venders. I use Military Fasteners because of the great customer service, free shipping (which is one day ground), large selection on hardware and materials, and competitive prices. I am a loyal customer and I order 2-3+ times a week. Thank you for the great service that your people provide at Military Fasteners.

5.0

Small order but all was in stock, sales rep was very friendly and made it a pleasure. Shipped and received quicker than expected.

4.0

Everything about this order was textbook perfect. As always,when I order something from Military Fasteners I get what I ordered when it arrives on time. No surprises or disappointments. Good job!

4.0