AN148657

Aeronautical Standard Screw

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Description:

Fastener Length: 9/16", Hole Diameter: 1/16", Thread: 1/4-28, Head Width: 7/32", Thread Length: 9/16"

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AN148657 Datasheet Features and Specification

Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
0.501 inches minimum and 0.572 inches maximum
Fastener Length:
0.552 inches minimum and 0.572 inches maximum
Head Style:
Flat chamfer
Head Diameter:
0.428 inches minimum and 0.448 inches maximum
Head Height:
0.250 inches minimum and 0.270 inches maximum
Hole Diameter:
0.070 inches nominal
Internal Drive Style:
Hexagon
Thread Diameter:
0.250 inches
Width Across Flats:
0.219 inches minimum and 0.221 inches maximum
Hole Quantity:
6
Hole Type:
Drilled
Thready Qty Per Inch (tpi):
28
Hardness Rating:
32.0 rockwell c minimum overall and 36.0 rockwell c maximum overall
Hole Configuration Style:
Round
Surface Finish:
32.0 microinches threads
Surface Finish:
63.0 microinches bearing surface of head
Material:
Steel comp 8740 overall
Material Specification:
Ams 6322 assn std single material response overall
Surface Treatment:
Cadmium overall
Surface Treatment Specification:
Ams 2400 assn std single treatment response overall
Thread Series Designator:
Unf
Quick Specs
Thread Size 1/4
Thread Qty 28
Material Steel
Length 9/16

Additional Information

SKU / Model: AN148657
NSN: 5305-00-286-0013
FSC: Screws / 5305
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 15 EA
Schedule B: 7318.15.2010
ECCN: EAR99
National Motor Freight: 093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version
AN148657_Military-Fasteners-com.pdf
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More machine screws

AN148859

Fastener Length: 11/16", Hole Diameter: 1/16", Thread: 3/8-24, Head Width: 5/16", Thread Length: 11/16"

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I have only ordered from Military Fasteners once so far, but I can't even express how happy I was with our order. As a purchasing manager who deals with government contracts (and the strict requirements that come with them), I was beyond thrilled with the flawless paperwork that was provided (free of charge) with the products we ordered. Lindsey was a peach to interact with, and we received our order next day; one of the perks of having a warehouse close by. I am very much so looking forward to to ordering from them again! Response from the owner3 years ago Thank you so much Holly for the kind words. We constantly try and think of new ways to improve the experience for our customers. We strive to make the package presentation upon arrival how we would want as a customer. It truly is an honor to service our customers that support our government and military branches.

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Thank you so much for your service and support Amanda Payne was great!

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Thank you for your excellent customer support. The solenoids have been shipped extremely fast. I am very happy with the product and its price. I would recommend Military Fasteners to my friends at anytime.

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