NAS1581C4H4

Close Tolerance Bolt

email this to someone  
Description:

Fastener Length: 21/32", Thread: 1/4-28, Thread Length: 27/64", NAS1581 series bolt

* Manufacturer certifications are shipped with your order FREE of charge
NAS1581C4H4
NAS1581C4H4
NAS1581C4H4
Add to Cart Up to qty 5 ships same day if ordered before 4pm EST
NAS1581C4H4 Price:
buy now
$11.43 Each
Quantity:
Pre-packaged bag qty: 5 ea
* Sold in increments of 5
Add item to quote  

NAS1581C4H4 Datasheet Features and Specification

Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
0.378 inches minimum and 0.428 inches maximum
Fastener Length:
0.638 inches minimum and 0.668 inches maximum
Head Style:
Flat countersunk
Head Diameter:
0.350 inches minimum and 0.399 inches maximum
Grip Diameter:
0.2485 inches minimum and 0.2495 inches maximum
Internal Drive Style:
High-torque
Thread Diameter:
0.250 inches
Grip Length:
0.240 inches minimum and 0.260 inches maximum
Thready Qty Per Inch (tpi):
28
Min. Tensile Strength (psi):
160000 pounds per square inch
Countersink Angle:
99.0 degrees minimum and 101.0 degrees maximum
Surface Finish:
32.0 microinches grip
Surface Finish:
32.0 microinches threads
Material:
Iron alloy 660 overall
Material Specification:
Ams 5732 assn std single material response overall
Surface Treatment:
Passivate overall
Surface Treatment Specification:
Qq-p-35 fed spec single treatment response overall
Thread Series Designator:
Unjf
Specification Data:
80205-nas1581 professional/industrial association standard
Quick Specs
Thread Size 1/4
Thread Qty 28
Material Iron
Length 21/32

Additional Information

SKU / Model: NAS1581C4H4
NSN: 5305-00-163-2654
FSC: Screws / 5305
Product Series: NAS1581C
Pack Weight (Approx.) 0.049 lb
Minimum Qty (MOQ): 5
Schedule B: 7318.15.8085
ECCN: EAR99
National Motor Freight: 093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version
NAS1581C4H4_Military-Fasteners-com.pdf
Worldwide Shipping In stock and ready to ship!

* report an issue on this page

More NAS1581C close tolerance bolts

NAS1581C5T6

Fastener Length: 57/64", Thread: 1/4-24, Thread Length: 33/64"

NAS1581C5T5

$6.30 EA, Fastener Length: 53/64in., Thread: 1/4-24, Thread Length: 33/64in.

NAS1581C3T16P

Fastener Length: 1-3/8", Thread: 10-32, Thread Length: 3/8"

NAS1581C3H5

Fastener Length: 11/16", Thread: 12-32, Thread Length: 3/8"

Product Image Gallery

Product code NAS1581C4H4
NAS1581C4H4
NAS1581C4H4
NAS1581C4H4

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

Great Customer Service very helpful...Packaged arrived almost the next day. How did you do that. Thank you again. will be doing business with you again soon !!!

5.0

I was impressed with the speedy delivery of my order and also with the order itself.

5.0

No matter the size of my order, I am always treated with a high degree of professional courtesy. The staff are very knowledgeable about the company and take a personal interest in each order.

5.0

Great customer service. Did a quick research for us to find a replacement. Will buy again.

5.0