AN4-21A

Aeronautical Standard Machine Bolt

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Description:

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

* Manufacturer certifications are shipped with your order FREE of charge
AN4-21A
AN4-21A
AN4-21A
AN4-21A
AN4-21A
AN4-21A
Add to Cart Up to qty 650 ships same day if ordered before 4pm EST
AN4-21A Price:
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$0.73 Each
Quantity:
Pre-packaged bag qty: 50 ea
* Sold in increments of 50
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AN4-21A Datasheet Features and Specification

Thread Direction:
Right-hand
Thread Diameter:
0.250 inches
Thread Class:
3a
Surface Treatment Specification:
Class 3 federal specification all treatment responses type 2 qq-p-416
Surface Treatment:
Cadmium and chromate
Min. Tensile Strength (psi):
125000 pounds per square inch
Material Specification:
Mil-b-6812 military specification all material responses
Material:
Steel
Head Style:
Hexagon
Head Height:
Between 0.140 inches and 0.172 inches
Hardness Rating:
26.0 rockwell c and 32.0 rockwell c
Grip Length:
1.688 inches
Features Provided:
Finished head
Fastener Length:
2.156 inches
Thread Length:
0.468 inches
Thread Qty Per Inch (tpi):
28
Thread Series Designator:
Unf (fine thread)
Width Between Flats:
Between 0.428 inches and 0.440 inches
Quick Specs
Thread Size 1/4
Thread Qty 28
Thread Series UNF
Thread Class 3A
Material Steel

Additional Information

SKU / Model: AN421A
NSN: 5306-00-151-1415
FSC: Bolts / 5306
Product Series: AN4
Pack Weight (Approx.) 1.770 lb
Minimum Qty (MOQ): 50
ECCN: EAR99
National Motor Freight: 093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version
AN4-21A_Military-Fasteners-com.pdf
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Product Image Gallery

Product code AN4-21A
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Order arrived promptly and well packed. Was exactly as described and worked flawlessly. Happy Happy!

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I recently requested a quote and placed an order with Kristen Belmont. Kristen was incredibly helpful, prompt, and informative, addressing all of my inquiries and requests efficiently. I am extremely grateful to have had Kristen's assistance.

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Easy ordering format, fast delivery, packaged and documented well.

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