MS16998-101

Military Standard Socket Head Cap Screw

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Description:

Fastener Length: 2-1/2", Thread: 1/2-20, Head Width: 3/8", Thread Length: 1-1/2

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MS16998-101 Datasheet Features and Specification

Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
1.500 inches minimum
Fastener Length:
2.440 inches minimum and 2.500 inches maximum
Head Style:
Flat chamfer
Head Diameter:
0.735 inches minimum and 0.750 inches maximum
Head Height:
0.492 inches minimum and 0.500 inches maximum
Internal Drive Style:
Hexagon
Thread Diameter:
0.500 inches
Width Across Flats:
0.375 inches minimum and 0.379 inches maximum
Thready Qty Per Inch (tpi):
20
Min. Tensile Strength (psi):
170000 pounds per square inch
Hardness Rating:
38.0 rockwell c minimum overall and 45.0 rockwell c maximum overall
Minimum Yield Strength:
150000 pounds per square inch
Material:
Steel overall
Surface Treatment:
Cadmium overall and chromate overall
Surface Treatment Specification:
Qq-p-416,ty 2 cl 2 fed spec single treatment response overall
Thread Series Designator:
Unrf
Specification Data:
80205-nas1351 professional/industrial association standard
Quick Specs
Thread Size 1/2
Thread Qty 20
Material Steel
Length 2-1/2

Additional Information

Alternate Part Numbers

  • NAS1351-8-40P
SKU / Model: MS16998101
NSN: 5305-01-303-4702
FSC: Screws / 5305
Product Series: MS16998
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 5
Schedule B: 7318.15.2010
ECCN: EAR99
National Motor Freight: 093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version
MS16998-101_Military-Fasteners-com.pdf
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MS16998-97

Fastener Length: 1-1/2in., Thread: 1/2-20, Head Width: 3/8in., Thread Length: 1-25/64in.

MS16998-81

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

MS16998-79

$13.14 EA, Fastener Length: 2-1/4in., Thread: 3/8-24, Head Width: 5/16in., Thread Length: 1-1/4in. screw

MS16998-76L

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

MS16998-76

$5.94 EA, Fastener Length: 1-1/2in., Thread: 3/8-24, Head Width: 5/16in., Thread Length: 1-29/64in.

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