NAS1271H3

Bolt

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Description:

Fastener Length: 43/64", Hole Diameter: 1/32", Thread: 1/4-28, Thread Length: 1/2"

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NAS1271H3 Datasheet Features and Specification

Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
0.465 inches minimum and 0.505 inches maximum
Fastener Length:
0.663 inches minimum and 0.683 inches maximum
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 and 0.079 inches maximum
Hole Diameter:
0.032 inches minimum and 0.042 inches maximum
Thread Diameter:
0.250 inches
Grip Length:
0.178 inches minimum and 0.198 inches maximum
Hole Quantity:
4
Hole Type:
Drilled
Features Provided:
Finished head
Thready Qty Per Inch (tpi):
28
Hole Configuration Style:
Double hexagon longitudinal hole
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:
Nas 621 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 43/64

Additional Information

SKU / Model: NAS1271H3
NSN: 5306-01-270-4067
FSC: Bolts / 5306
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
NAS1271H3_Military-Fasteners-com.pdf
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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.

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Have had nothing but great experiences. If I ever need anything I just email Amelia Fato and she gets me fixed up! Super fast and helpful customer service. 10 out of 10.

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