MS16998-55

Military Standard Screw

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Description:

Fastener Length: 1/2", Thread: 1/4-24, Head Width: 1/4", Thread Length: 1/2"

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MS16998-55 Datasheet Features and Specification

Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
0.469 inches minimum and 0.500 inches maximum
Fastener Length:
0.469 inches minimum and 0.500 inches maximum
Head Style:
Flat chamfer
Head Diameter:
0.457 inches minimum and 0.468 inches maximum
Head Height:
0.306 inches minimum and 0.312 inches maximum
Internal Drive Style:
Hexagon
Thread Diameter:
0.312 inches
Width Across Flats:
0.250 inches minimum and 0.253 inches maximum
Thready Qty Per Inch (tpi):
24
Min. Tensile Strength (psi):
160000 pounds per square inch
Hardness Rating:
36.0 rockwell c minimum overall and 45.0 rockwell c maximum overall
Minimum Yield Strength:
130000 pounds per square inch
Material:
Steel overall
Surface Treatment:
Cadmium overall and chromate overall
Surface Treatment Specification:
Qq-p-416 ty 2 cl 3 fed spec single treatment response overall
Thread Series Designator:
Unf
Quick Specs
Thread Size 1/4
Thread Qty 24
Material Steel
Length 1/2

Additional Information

SKU / Model: MS1699855
NSN: 5305-00-983-6667
FSC: Screws / 5305
Product Series: MS16998
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 15 EA
Schedule B: 7318.15.2010
ECCN: 9A991
National Motor Freight: 093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version
MS16998-55_Military-Fasteners-com.pdf
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MS16998-81

Fastener Length: 2-63/64in., Thread: 3/8-24, Head Width: 5/16in., Thread Length: 1-1/2in.

MS16998-79

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MS16998-76L

Fastener Length: 1-1/2", Thread: 3/8-24, Head Width: 5/16", Thread Length: 1-1/2"

MS16998-76

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