AN520B0-4

Aeronautical Standard Screw

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Description:

Fastener Length: 1/4", Thread: 0-80, Thread Length: 1/4"

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AN520B0-4 Datasheet Features and Specification

Thread Class:
2a
Thread Direction:
Right-hand
Thread Length:
0.250 inches maximum
Fastener Length:
0.219 inches minimum and 0.250 inches maximum
Head Style:
Round
Head Diameter:
0.099 inches minimum and 0.113 inches maximum
Head Height:
0.053 inches maximum
Internal Drive Style:
Cross recess type 1
Thread Diameter:
0.060 inches
Thready Qty Per Inch (tpi):
80
Min. Tensile Strength (psi):
55000 pounds per square inch
Screw Material:
Copper alloy
Screw Material Specification:
Qq-b-613 fed spec 1st material response and qq-b-626 fed spec 2nd material response
Thread Series Designator:
Unf
Quick Specs
Thread Qty 80
Length 1/4

Additional Information

SKU / Model: AN520B04
NSN: 5305-00-282-8644
FSC: Screws / 5305
Product Series: AN520B0
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 25 EA
Schedule B: 7415.33.8050
ECCN: 9A991
National Motor Freight: 096630, Screws Noi Brass / Bronze / Copper
Download PDF Version
AN520B0-4_Military-Fasteners-com.pdf
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I am a retired AME/Pilot. I have been restoring a 1946 Globe Swift and have relied on the support and expertise provided by your sales staff. My experience has been very positive. In return, I buy everything I can from Military Fasteners. You are my preferred supplier. Thank you.

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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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