MS51960-79

Military Standard Screw

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Description:

Fastener Length: 5/16", Thread: 1/4-28, Thread Length: 7/32"

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MS51960-79 Datasheet Features and Specification

Thread Class:
2a
Thread Direction:
Right-hand
Thread Length:
0.102 inches minimum and 0.220 inches maximum
Fastener Length:
0.280 inches minimum and 0.312 inches maximum
Head Style:
Flat countersunk undercut
Head Diameter:
0.452 inches minimum and 0.507 inches maximum
Head Height:
0.092 inches minimum and 0.107 inches maximum
Internal Drive Style:
Cross recess type 1
Thread Diameter:
0.250 inches
Thready Qty Per Inch (tpi):
28
Min. Tensile Strength (psi):
80000 pounds per square inch
Countersink Angle:
82.0 degrees nominal
Screw Material:
Steel comp 304 or steel comp 301
Screw Material Specification:
Qq-s-763 fed spec 1st material response or fed std 66 fed spec 2nd material response
Screw Surface Treatment:
Passivate
Screw Surface Treatment Specification:
Qq-p-35 fed spec single treatment response
Thread Series Designator:
Unf
Nondefinitive Specification/std Data:
3 type and 2c style
Quick Specs
Thread Size 1/4
Thread Qty 28
Material Steel
Length 5/16

Additional Information

SKU / Model: MS5196079
NSN: 5305-01-019-2397
FSC: Screws / 5305
Product Series: MS51960
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 20 EA
Schedule B: 7318.15.6080
ECCN: 9A991
National Motor Freight: 093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version
MS51960-79_Military-Fasteners-com.pdf
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My orders have been delivered on time or earlier all packaged well and in good shape. Thank you Military Fasteners.

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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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