NAS428K4-7

Bolt

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Description:

Fastener Length: 15/16", Thread: 1/4-28, Thread Length: 29/32"

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NAS428K4-7 Datasheet Features and Specification

Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
0.813 inches minimum and 0.906 inches maximum
Fastener Length:
0.875 inches minimum and 0.937 inches maximum
Head Style:
Crowned hexagon
Head Height:
0.141 inches nominal
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 in thd end 0.061 in. min 0.077 in. max by 0.097 in. min 0.130 in. max deep
Material:
Steel comp 8740 overall or steel comp 8630 overall or steel comp 8735 overall or steel comp 4130 overall or steel comp 4037 overall or steel comp 4140 overall
Material Specification:
Mil-s-6049 mil spec 1st material response overall or mil-s-6050 mil spec 2nd material response overall or mil-s-6098 mil spec 3rd material response overall or mil-s-6758 mil spec 4th material response overall or ams 6300 assn std 5th material response overall or mil-s-5626 mil spec 6th material response overall
Surface Treatment:
Cadmium overall and chromate overall
Surface Treatment Specification:
Qq-p-416,type 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 15/16

Additional Information

SKU / Model: NAS428K47
NSN: 5306-00-637-8554
FSC: Bolts / 5306
Product Series: NAS428K4
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 5 EA
Schedule B: 7318.15.8085
ECCN: 9A991
National Motor Freight: 093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version
NAS428K4-7_Military-Fasteners-com.pdf
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More NAS428K4 machine bolts

NAS428K4A7

Fastener Length: 15/16", Thread: 1/4-28, Thread Length: 15/16"

NAS428K4A6

Fastener Length: 3/4", Thread: 1/4-28, Thread Length: 23/32"

NAS428K4A12

Fastener Length: 1-1/4in., Thread: 1/4-28, Thread Length: 1-7/32in.

NAS428K4A11

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

NAS428K4A10

Fastener Length: 1-", Thread: 1/4-28, Thread Length: 31/32"

NAS428K4-6

Fastener Length: 3/4", Thread: 1/4-28, Thread Length: 23/32"

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