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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None, my ordering experience was the best. I ordered and after purchasing I was given a delivery date. My items arrived on time as promised!! Thank you.

5.0

As always, my order was filled accurately and arrived quickly. The one item not in stock in California arrived two days later from another store. Over the years, whether a large order or just a few items,I have received the same quick service. My suggestion? Continue the excellent customer service.

4.0

As usual, great stock and always have the difficult-to-find parts. Also, super fast purchase. Great experience.

5.0

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!

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