NAS1271-5

Bolt

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Description:

Fastener Length: 55/64", Thread: 1/4-28, Thread Length: 31/64"

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NAS1271-5 Datasheet Features and Specification

Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
0.485 inches nominal
Fastener Length:
0.860 inches nominal
Head Style:
Double hexagon extended washer
Head Height:
0.290 inches minimum and 0.310 inches maximum
Width Between Flats:
0.306 inches minimum and 0.315 inches maximum
Extended Washer Diameter:
0.360 inches nominal
Extended Washer Thickness:
0.059 inches minimum
Thread Diameter:
0.250 inches
Grip Length:
0.375 inches nominal
Features Provided:
Finished head
Thready Qty Per Inch (tpi):
28
Surface Finish:
16.0 microinches threads
Surface Finish:
63.0 microinches bearing surface of head
Surface Finish:
63.0 microinches grip
Material:
Titanium alloy uns r56400 overall
Material Specification:
As-4967 assn std single material response overall
Thread Series Designator:
Unjf
Specification Data:
80205-nas1271 professional/industrial association standard
Quick Specs
Thread Size 1/4
Thread Qty 28
Material Titanium
Length 55/64

Additional Information

SKU / Model: NAS12715
NSN: 5306-01-573-2774
FSC: Bolts / 5306
Product Series: NAS1271
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 1 EA
Schedule B: 8108.90.3060
ECCN: 9A991
Download PDF Version
NAS1271-5_Military-Fasteners-com.pdf
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More NAS1271 machine bolts

NAS1271-6

Fastener Length: 55/64", Thread: 1/4-28, Thread Length: 1/2"

NAS1271-10

$28.74 EA, Fastener Length: 1-1/8in., Thread: 1/4-28, Thread Length: 31/64in.

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Recently my avionics technician and I were installing a component in my aircraft and there were some critical fasteners missing from the manufactures package. This stopped the entire process. I called Military Fasteners after finding the parts on line, and Trisha answered the phone. I told her the situation and that I needed them ASAP. I found the parts gave her the part number and she confirmed they were in stock. This was about 430 in the afternoon just before closing. Trisha was kind and professional got the parts out the door that evening even though it was after the shipping cut off. Saved the day. I can tell you this entire company is represented by Trisha, anything they can do to help you out of a jamb they will absolutely go the extra mile and Trisha is the go to person. I am sure there are others there with her same attitude and professionalism. This is a great resource for all your fasteners needs.

5.0

My order was a small order of hardware. The order arrived well packaged, in a timely manner via US mail. I continue to receive excellent service from Military Fasteners. Thank You!

4.0

My latest order was, as usual, prompt and in perfect shape. My project(s) require lots of frantic ordering and weird combinations of parts. During the years of buying from Military Fasteners, I have never been disappointed. Thank you for a great job.

4.5

Best order yet. I build masts for RC sailboats and perfect stock is a must. Whoever picked this order outdid themselves. Thanks Military Fasteners for another order of great material.

4.5