NAS1580A4R20

Close Tolerance Bolt

email this to someone  
Description:

Fastener Length: 1-21/32", 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

NAS1580A4R20 Datasheet Features and Specification

Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
0.378 inches minimum and 0.428 inches maximum
Fastener Length:
1.638 inches minimum and 1.668 inches maximum
Head Style:
Flat countersunk
Head Diameter:
0.464 inches minimum and 0.506 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:
1.240 inches minimum and 1.260 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
Countersink Angle:
99.0 degrees minimum and 101.0 degrees maximum
Surface Finish:
32.0 microinches grip
Surface Finish:
32.0 microinches threads
Material:
Steel comp e4340 overall or steel comp 4140 overall or steel comp 8740 overall or steel comp 8735 overall or steel comp 6150 overall
Surface Treatment:
Cadmium overall and chromate overall
Surface Treatment Specification:
Qq-p-416 ty 2 class 2 fed spec single treatment response overall
Thread Series Designator:
Unjf
Specification Data:
80205-nas1580 professional/industrial association standard
Quick Specs
Thread Size 1/4
Thread Qty 28
Material Steel
Length 1-21/32

Additional Information

SKU / Model: NAS1580A4R20
NSN: 5305-01-083-7173
FSC: Screws / 5305
Product Series: NAS1580A4R
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 10
Schedule B: 7318.15.8085
ECCN: EAR99
National Motor Freight: 093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version
NAS1580A4R20_Military-Fasteners-com.pdf
Worldwide Shipping

* report an issue on this page

More NAS1580A4R close tolerance bolts

NAS1580A4R9

Fastener Length: 31/32", Thread: 1/4-28, Thread Length: 27/64"

NAS1580A4R8

Fastener Length: 29/32", Thread: 1/4-28, Thread Length: 27/64"

NAS1580A4R7

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

NAS1580A4R6

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

NAS1580A4R5

Fastener Length: 23/32in., Thread: 1/4-28, Thread Length: 27/64in.

NAS1580A4R4

Fastener Length: 21/32in., Thread: 1/4-28, Thread Length: 3/8in.

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 appreciate your service, especially being able to talk to people who know a lot about aircraft and the many accessories, parts, etc.

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

I've been a customer since 1983 and you have provided what I needed most times in a very timely manner at the right price. Over all I have been very satisfied with your company.

5.0

They are always fast, kind and serving high-quality product.

5.0