NAS428K4A6

Bolt

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Description:

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

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NAS428K4A6 Datasheet Features and Specification

Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
0.688 inches minimum and 0.719 inches maximum
Fastener Length:
0.750 inches nominal
Head Style:
Crowned hexagon
Head Height:
0.141 inches nominal
Width Between Flats:
0.438 inches nominal
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:
As modified by slotted shank
Material:
Steel comp 4037 overall or steel comp 4130 overall or steel comp 8630 overall or steel comp 8735 overall or steel comp 8740 overall or steel comp 4140 overall
Material Specification:
Mil-b-6812 mil spec all material responses overall
Surface Treatment:
Cadmium overall and chromate overall
Surface Treatment Specification:
Qq-p-416,type 2,class 3 fed spec all treatment responses overall
Thread Series Designator:
Unf
Quick Specs
Thread Size 1/4
Thread Qty 28
Material Steel
Length 3/4

Additional Information

SKU / Model: NAS428K4A6
NSN: 5306-00-286-3316
FSC: Bolts / 5306
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 10 EA
Schedule B: 7318.15.8085
ECCN: EAR99
National Motor Freight: 093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version
NAS428K4A6_Military-Fasteners-com.pdf
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NAS428K4A7

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

NAS428K4A12

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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"

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In dealing with Military Fasteners for 3 plus years, I can honestly say Ive never had a bad experience with the company. Please keep up the great work and youll keep me coming back for as long as I am flying.

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You all are Awesome! I am restoring a 1946 all aluminum camper and have come to you several times for materials needed. Every time I order, I get a quality product at a fair price in a timely manner. I couldn't ask for more.

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Trisha did a great job, received the quote fast and the material 2 days later, thanks!

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