NAS428K4A12

Machine Bolt

email this to someone

Description:

Fastener Length: 1-1/4", Thread: 1/4-28, Thread Length: 1-7/32", NAS428 series bolt

* Manufacturer certifications are shipped with your order FREE of charge

Add to Cart Up to qty 220 ships same day if ordered before 4pm EST

NAS428K4A12 Price:	buy now $4.15 Each
Quantity: Pre-packaged bag qty: 10 ea
* Sold in increments of 10

Add item to quote

NAS428K4A12 Datasheet Features and Specification

Thread Class:

Thread Direction:

Right-hand

Thread Length:

1.188 inches minimum and 1.219 inches maximum

Fastener Length:

1.250 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):

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 fed spec all treatment responses overall

Thread Series Designator:

Unf

Quick Specs

Thread Size	1/4
Thread Qty	28
Material	Steel
Length	1-1/4

Additional Information

SKU / Model:	NAS428K4A12
NSN:	5306-00-292-4611
FSC:	Bolts / 5306
Product Series:	NAS428K
Pack Weight (Approx.)	0.203 lb
Minimum Qty (MOQ):	10
Schedule B:	7318.15.8085
ECCN:	EAR99
National Motor Freight:	093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version NAS428K4A12_Military-Fasteners-com.pdf

* report an issue on this page

More NAS428K machine bolts

NAS428KH4-14

Fastener Length: 1-1/2in., Hole Diameter: 1/32in., Thread: 1/4-28, Thread Length: 1-15/32in.

NAS428K5-16

Fastener Length: 1-3/4", Thread: 1/4-24, Thread Length: 1-23/32"

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"

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"

Product Image Gallery

Product code NAS428K4A12

Have a question

If you require a quote on this or any product please visit our quote request page »

Browse our frequently asked questions page.

You may contact us by phone at +1 (904) 543-6395 or email us using our contact form.

Our hours of operation are 8:00am - 6:00pm EST

Customer Reviews

View our Google profile

Rohan H.

Got my new Beacon light for 172R works fine. Always get good service from Military Fasteners... Keep up the good work!

5.0

Jonathan L.

Excellent service! Trisha Hawkins is so polite, easy to work with and an awesome customer service! Highly recommended!

5.0

Brian U.

Happy to find the items needed and the service was very quickly completed.

5.0

Barnabas P.

Products are military grade MIL-SPEC as advertised. I was able to locate #10 locking counter-sunk nutplates when ALL other locations, including Aircraft-Spruce, could not supply.

5.0