AN4C21A

Aeronautical Standard Machine Bolt

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Description:

length: 2-5/32", grip: 1-11/16", thread: 1/4-28 - corrosion resistant steel - undrilled shank

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AN4C21A Datasheet Features and Specification

Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
0.468 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:
0.428 inches minimum and 0.440 inches maximum
Thread Diameter:
0.250 inches
Grip Length:
1.688 inches nominal
Features Provided:
Finished head
Thready Qty Per Inch (tpi):
28
Min. Tensile Strength (psi):
125000 pounds per square inch
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: AN4C21A
NSN: 5306-00-156-2349
FSC: Bolts / 5306
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 10
National Motor Freight: 093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version
AN4C21A_Military-Fasteners-com.pdf
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4.0

I can say that Military Fasteners was able to deliver the part to me very quickly. I live in a very remote area in the Tennessee mountains and typically have to wait up to two weeks to receive deliveries. Sometimes, the delivery guys cannot find my house at all, and they have to leave my packages at the local general store. But with Military Fasteners, my packages always find my front door step and in great condition. This package arrived nearly a week earlier than expected, and that was over the New Years holiday! Great work, Military Fasteners, on your delivery service. Thanks!

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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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