MS51959-78

Military Standard Machine Screw

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Description:

MS51959-78 Machine Screw

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MS51959-78 Datasheet Features and Specification

Thread Class:
2a
Thread Direction:
Right-hand
Thread Length:
0.338 inches minimum and 0.438 inches maximum
Fastener Length:
0.438 inches nominal
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):
20
Min. Tensile Strength (psi):
80000 pounds per square inch
Countersink Angle:
80.0 degrees minimum and 82.0 degrees maximum
Screw Material:
Steel comp 302 or steel comp 303 or steel comp 304 or steel comp 305 or steel comp 316
Screw Material Specification:
66 fed std all material responses
Screw Surface Treatment:
Passivate
Screw Surface Treatment Specification:
Qq-p-35 fed spec single treatment response
Thread Series Designator:
Unc

Additional Information

SKU / Model: MS5195978
NSN: 5305-00-719-5037
FSC: Screws / 5305
Product Series: MS51959
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 10
ECCN: EAR99
National Motor Freight: 093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version
MS51959-78_Military-Fasteners-com.pdf
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