NAS428K4A11

Bolt

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Description:

Fastener Length: 1-3/16", Thread: 1/4-28, Thread Length: 0-63/64"

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NAS428K4A11 Datasheet Features and Specification

Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
0.963 inches minimum and 1.157 inches maximum
Fastener Length:
1.125 inches minimum and 1.188 inches maximum
Head Style:
Crowned hexagon
Head Height:
0.131 inches minimum and 0.151 inches maximum
Width Between Flats:
0.428 inches minimum and 0.440 inches maximum
Thread Diameter:
0.250 inches
Grip Length:
0.031 inches minimum and 0.062 inches maximum
Features Provided:
Finished head
Thready Qty Per Inch (tpi):
28
Min. Tensile Strength (psi):
125000 pounds per square inch
Hardness Rating:
26.0 rockwell c minimum overall and 32.0 rockwell c maximum overall
Special Features:
Slot 0.061 in. min 0.077 in. max wide by 0.097 in. min 0.130 in. max lg on end of shank
Material:
Steel comp 4140 overall or steel comp 8740 overall or steel comp 8630 overall or steel comp 8735 overall or steel comp 4130 overall or steel comp 4037 overall
Material Specification:
Mil-s-5626 mil spec 1st material response overall or mil-s-6049 mil spec 2nd material response overall or mil-s-6050 mil spec 3rd material response overall or mil-s-6098 mil spec 4th material response overall or mil-s-6758 mil spec 5th material response overall or ams 6300 assn std 6th material response 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
Specification Data:
80205-nas428 professional/industrial association standard
Quick Specs
Thread Size 1/4
Thread Qty 28
Material Steel
Length 1-3/16

Additional Information

SKU / Model: NAS428K4A11
NSN: 5306-00-292-4612
FSC: Bolts / 5306
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 10 EA
Schedule B: 7318.15.8085
ECCN: 9A991
National Motor Freight: 093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version
NAS428K4A11_Military-Fasteners-com.pdf
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