AN174C21

Aeronautical Standard Bolt

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Description:

Fastener Length: 2-1/8", Thread: 1/4-28, Thread Length: 15/32"

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AN174C21 Datasheet Features and Specification

Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
0.469 inches minimum
Fastener Length:
2.156 inches nominal
Head Style:
Hexagon
Head Height:
0.140 inches minimum and 0.172 inches maximum
Width Between Flats:
0.438 inches nominal
Shank Unthreaded Hole Diameter:
0.076 inches nominal first hole
Thread Diameter:
0.250 inches
Grip Length:
1.688 inches nominal
Features Provided:
Finished head
Thready Qty Per Inch (tpi):
28
Distance From Head Largest Bearing Surface To Shank Hole Center:
2.000 inches nominal first hole
Material:
Steel corrosion resisting overall
Material Specification:
Qq-s-770 fed spec single material response overall
Surface Treatment:
Passivate overall
Thread Series Designator:
Unf
Quick Specs
Thread Size 1/4
Thread Qty 28
Material Stainless Steel
Length 2-1/8

Additional Information

SKU / Model: AN174C21
NSN: 5306-00-281-3094
FSC: Bolts / 5306
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 5 EA
Schedule B: 7318.15.8085
ECCN: 9A991
National Motor Freight: 093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version
AN174C21_Military-Fasteners-com.pdf
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Military Fasteners provided the supplies needed to repair my prop. They had the exact items I needed, at a good price. My order was delivered in reasonable time, complete with instructions. The end result was a quality repair to get me back flyin again. Thank you! Steve

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