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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As always, my order was handled with excellence in all areas of customer service, delivery, etc.

5.0

Another good experience with Military Fasteners, and our Sales Rep, Dan Hunter. We needed hardware for an older aircraft model, and Dan's expertise was exceptional. He quickly identified fasteners, even for parts with unclear descriptions, and provided invaluable technical assistance. The supporting data was spot-on, verified by our technicians. Despite finding slightly lower prices elsewhere, the unmatched service and expertise from Military Fasteners, particularly Dan, make them our preferred choice. Our order was delivered ahead of schedule. Highly recommend MilFast for top-notch service and technical support!

5.0

I love how quickly you always ship my orders. The person I spoke to was knowledgeable and helpful.

5.0

Props to my saleslady (whose name I have sadly forgotten) for her can do attitude. Fast and efficient yet friendly and thorough. The items arrived nicely padded with brown paper. Im so happy youve stopped using those hard-to-dispose-of styrofoam peanuts. Fast to ship reasonable prices. Just excellent all around!

4.0