NAS1581C4T8

Close Tolerance Screw

email this to someone  
Description:

length: 0.903", thread: 1/2-28 shear 100°, flush reduced head bolt - cadmium plated corrosion resistant steel - offset cruciform

* 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

NAS1581C4T8 Datasheet Features and Specification

Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
0.378 inches minimum and 0.428 inches maximum
Fastener Length:
0.888 inches minimum and 0.918 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:
Offset cruciform (torque set)
Thread Diameter:
0.250 inches
Grip Length:
0.490 inches minimum and 0.510 inches maximum
Thready Qty Per Inch (tpi):
28
Min. Tensile Strength (psi):
160000 pounds per square inch
Countersink Angle:
100.0 degrees nominal
Surface Finish:
32.0 microinches grip
Surface Finish:
32.0 microinches threads
Material:
Iron alloy 660 overall
Material Specification:
Ams 5731 assn std single material response overall or ams 5732 assn std single material response overall or ams 5737 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 29/32

Additional Information

SKU / Model: NAS1581C4T8
NSN: 5305-01-058-4633
FSC: Screws / 5305
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 50
National Motor Freight: 093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version
NAS1581C4T8_Military-Fasteners-com.pdf
Worldwide Shipping

* report an issue on this page

More close tolerance screws

NAS1581C6T8P

length: 1.094", thread: 3/8-24 shear 100°, flush reduced head bolt - cadmium plated corrosion resistant steel - offset cruciform

NAS1581C5T8P

length: 1.001", thread: 5/16-24 shear 100°, flush reduced head bolt - cadmium plated corrosion resistant steel - offset cruciform"

NAS1581C4T7

Length: 0.841in., thread: 1/2-28 shear, flush reduced head bolt, cadmium plated corrosion resistant steel, offset cruciform

NAS1581C4T6

Length: 0.778in., thread: 1/2-28 shear flush reduced head cadmium plated corrosion resistant steel offset cruciform

NAS1581C4T5

Length: 0.715in., thread: 1/2-28 shear flush reduced head bolt cadmium plated corrosion resistant steel offset cruciform, 5305-01-077-5804

NAS1581C4T4P

length: 0.653", thread: 1/2-28 shear 100°, flush reduced head bolt - cadmium plated corrosion resistant steel - offset cruciform

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

Received order very quick. I was totally impressed with how well it was prepared for shipment. While a fragile order, it arrived undamaged in any way because of the excellent packaging. Thanks.

5.0

Fantastic service. Part ordered Monday. Received Wednesday Though customs etc and across America the North Atlantic then UK. Amazing well done and thanks.

5.0

In this day and age, it is rare to be impressed by customer service however, Military Fasteners has far exceeded my expectations. They went above and beyond to help ensure an important package delivery on time, and they made a little boys Christmas sweeter in the process. Thank you to the team there for your wonderful help. I will certainly come back to shop again and again. They always say, fly people are the best people.

4.0

Your service is great. I have use you for years and your service has always been great

4.0