NAS428K4-6

Bolt

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Description:

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

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NAS428K4-6 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: NAS428K46
NSN: 5306-00-286-3316
FSC: Bolts / 5306
Product Series: NAS428K4
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
NAS428K4-6_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"

NAS428K4-7

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

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I sent in my online order then within a minute I realized I left off an item. I sent a message that requested an item be added to avoid a second shipping cost. I received a reply the next morning that the item I wanted had been added successfully and my order would be delivered as promised. Thanks to your staff for the flexibility and the help with my online order.

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Another good experience with Military Fasteners, and our Sales Rep, Dan Hunter. We needed hardware for an older aircraft model, and Dan's expertise was exceptional. He quickly identified fasteners, even for parts with unclear descriptions, and provided invaluable technical assistance. The supporting data was spot-on, verified by our technicians. Despite finding slightly lower prices elsewhere, the unmatched service and expertise from Military Fasteners, particularly Dan, make them our preferred choice. Our order was delivered ahead of schedule. Highly recommend MilFast for top-notch service and technical support!

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(Translated by Google) Excellent service, fast and courteous (Original) Excellent service , rapide et courtois

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You had what I needed and I had it in 2 days.I always look to military fasteners 1st when I need anything for my airplane.

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