NAS1581K4R9

Bolt

email this to someone  
Description:

Fastener Length: 31/32", Thread: 1/4-28, Thread Length: 3/8"

* 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

NAS1581K4R9 Datasheet Features and Specification

Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
0.403 inches maximum
Fastener Length:
0.950 inches minimum and 0.980 inches maximum
Head Style:
Flat countersunk
Head Diameter:
0.3504 inches minimum and 0.3988 inches maximum
Grip Diameter:
0.2490 inches minimum and 0.2495 inches maximum
Internal Drive Style:
Torque-set ribbed
Thread Diameter:
0.250 inches
Grip Length:
0.552 inches minimum and 0.572 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:
Titanium alloy overall
Material Specification:
Ams 4928 assn std single material response overall or ams 4967 assn std single material response overall
Thread Series Designator:
Unjf
Specification Data:
80205-nas1581 professional/industrial association standard
Quick Specs
Thread Size 1/4
Thread Qty 28
Material Titanium
Length 31/32

Additional Information

SKU / Model: NAS1581K4R9
NSN: 5305-01-178-3350
FSC: Screws / 5305
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 10 EA
Schedule B: 8108.90.3060
ECCN: EAR99
National Motor Freight: 136500, Metal Noi / Metal Alloys Noi
Download PDF Version
NAS1581K4R9_Military-Fasteners-com.pdf
Worldwide Shipping

* report an issue on this page

More close tolerance bolts

NAS1581K7T25

Fastener Length: 1-11/16", Thread: 7/16-20, Thread Length: 43/64"

NAS1581K5R8

Fastener Length: 0-63/64", Thread: 1/4-24, Thread Length: 33/64"

NAS1581K5R11

Fastener Length: 1-13/64", Thread: 1/4-24, Thread Length: 33/64"

NAS1581K5R10

Fastener Length: 1-9/64", Thread: 1/4-24, Thread Length: 33/64"

NAS1581K5H8

Fastener Length: 0-63/64", Thread: 1/4-24, Thread Length: 33/64"

NAS1581K4T9

Fastener Length: 31/32", 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

Fast and affordable shipping for small parts. In Alaska, USPS work well and is affordable for us up here, Thanks

5.0

Nice online shop, with very fast operation and high quality service. A bit expensive and without quantity discounts but worth the money in general.

4.0

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

Couldn't be better: shipped fast, price was fair, product exactly as expected. Will always order from Military Fasteners going forward.

5.0