NAS1581K4T6

Bolt

email this to someone  
Description:

Fastener Length: 25/32", 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

NAS1581K4T6 Datasheet Features and Specification

Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
0.378 inches minimum and 0.428 inches maximum
Fastener Length:
0.763 inches minimum and 0.793 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:
Offset cruciform (torque set)
Thread Diameter:
0.250 inches
Grip Length:
0.365 inches minimum and 0.385 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
Material:
Titanium alloy uns r54520 overall
Material Specification:
Nas 621 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 25/32

Additional Information

SKU / Model: NAS1581K4T6
NSN: 5305-01-119-1064
FSC: Screws / 5305
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 5 EA
Schedule B: 8108.90.3060
ECCN: EAR99
National Motor Freight: 136500, Metal Noi / Metal Alloys Noi
Download PDF Version
NAS1581K4T6_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

I have dealt with Military Fasteners a few times and they have always been extremely helpful and knowledgeable. Ramona has always been wonderful to work with and goes out of her way to help you find what you need. Definitely recommended!

5.0

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

5.0

I am really pleased with the customer service I received. Very communicative, and the items are available at decent pricing.

5.0

As a race car owner and builder I find your pricing and selection of AN hardware and composite materials more than meet my needs and expectations.

4.0