NAS1578A4R12

Bolt

email this to someone  
Description:

Fastener Length: 1-5/32", Thread: 1/4-28, Thread Length: 27/64"

* Manufacturer certifications are shipped with your order FREE of charge
no image available
Add to Quote We are currently out of stock of this item. Click the button below to add this item to a quote and receive up to date pricing and availability by email.

Add to Quote

NAS1578A4R12 Datasheet Features and Specification

Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
0.378 inches minimum and 0.428 inches maximum
Fastener Length:
1.138 inches minimum and 1.168 inches maximum
Head Style:
Pan no. 2
Head Diameter:
0.477 inches minimum and 0.492 inches maximum
Head Height:
0.140 inches minimum and 0.150 inches maximum
Grip Diameter:
0.2485 inches minimum and 0.2495 inches maximum
Internal Drive Style:
Torque-set ribbed
Thread Diameter:
0.250 inches
Grip Length:
0.740 inches minimum and 0.760 inches maximum
Thready Qty Per Inch (tpi):
28
Min. Tensile Strength (psi):
160000 pounds per square inch
Hardness Rating:
36.0 rockwell c minimum overall and 40.0 rockwell c maximum overall
Surface Finish:
32.0 microinches bearing surface of head
Surface Finish:
32.0 microinches grip
Surface Finish:
32.0 microinches threads
Material:
Steel comp 4140 overall or steel comp e4340 overall or steel comp 8740 overall
Material Specification:
Mil-s-5626 mil spec 1st material response overall or mil-s-5000 mil spec 2nd material response overall or mil-s-6049 mil spec 3rd material response overall
Surface Treatment:
Cadmium overall and chromate overall
Surface Treatment Specification:
Qq-p-416 ty 2 cl 2 fed spec single treatment response overall
Thread Series Designator:
Unjf
Specification Data:
80205-nas1578 professional/industrial association standard
Quick Specs
Thread Size 1/4
Thread Qty 28
Material Steel
Length 1-5/32

Additional Information

SKU / Model: NAS1578A4R12
NSN: 5305-01-271-3090
FSC: Screws / 5305
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 335 EA
Schedule B: 7318.15.8085
ECCN: 9A991
National Motor Freight: 093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version
NAS1578A4R12_Military-Fasteners-com.pdf
Worldwide Shipping

* report an issue on this page

More close tolerance bolts

NAS1578A6T14

Fastener Length: 1-31/64", Thread: 3/8-24, Thread Length: 19/32"

NAS1578A5R31

Fastener Length: 2-29/64in., Thread: 1/4-24, Thread Length: 1/2in.

NAS1578A4T7

$5.10 EA, Fastener Length: 27/32in., Thread: 1/4-28, Thread Length: 27/64in.

NAS1578A4T4

$3.30 EA, Fastener Length: 21/32in., Thread: 1/4-28, Thread Length: 27/64in.

NAS1578A4T3

Fastener Length: 19/32", Thread: 1/4-28, Thread Length: 15/32"

NAS1578A4T22

Fastener Length: 1-25/32", Thread: 1/4-28, Thread Length: 3/8"

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

Google View our Google profile

prompt service and delivery and fair pricing ... can't ask for more than that!

5.0

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.

5.0

Very pleased with my order. Everything in my order was exactly what I had ordered and the price was fair. Delivered within two days of placing order.

5.0

As always great service with fast shipping. That's why I always choose military fasteners first for my aircraft needs. Thanks.

4.0