MS51977-12

Military Standard Setscrew

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Description:

Fastener Length: 5/16", Thread: 4-40, Head Width: 1/16", Thread Length: 5/16"

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MS51977-12 Datasheet Features and Specification

Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
0.302 inches minimum and 0.322 inches maximum
Fastener Length:
0.302 inches minimum and 0.322 inches maximum
Head Style:
Headless (setscrew)
Point Style:
Half dog
Internal Drive Style:
Hexagon
Thread Diameter:
0.112 inches
Width Across Flats:
0.050 inches nominal
Thready Qty Per Inch (tpi):
40
Hardness Rating:
45.0 rockwell c minimum overall and 53.0 rockwell c maximum overall
Material:
Steel comp 4032 overall or steel comp 4037 overall or steel comp 4137 overall or steel comp 4140 overall or steel comp 8630 overall or steel comp 8740 overall
Material Specification:
66 fed std all material responses overall
Surface Treatment:
Cadmium overall and chromate overall
Surface Treatment Specification:
Qq-p-416,type 2,class 3 fed spec single treatment response overall
Thread Series Designator:
Unc
Nondefinitive Specification/std Data:
1 type and 6 style
Quick Specs
Thread Size 4
Thread Qty 40
Material Steel
Length 5/16

Additional Information

SKU / Model: MS5197712
NSN: 5305-00-926-5620
FSC: Screws / 5305
Product Series: MS51977
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 20 EA
Schedule B: 7318.15.8020
ECCN: 9A991
National Motor Freight: 093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version
MS51977-12_Military-Fasteners-com.pdf
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More MS51977 setscrews

MS51977-87

Fastener Length: 1-1/64", Thread: 1/2-13, Head Width: 1/4", Thread Length: 7/8"

MS51977-30

Fastener Length: 1/4", Thread: 8-32, Head Width: 5/64", Thread Length: 1/4"

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