AN4DDH21A

Aeronautical Standard Machine Bolt

email this to someone

Description:

Fastener Length: 2-5/32", Hole Diameter: 3/64", Thread: 1/4-28, Thread Length: 15/32

* Manufacturer certifications are shipped with your order FREE of charge

Add to Cart Up to qty 50 ships same day if ordered before 4pm EST

AN4DDH21A Price:	buy now $9.63 Each
Quantity: Pre-packaged bag qty: 10 ea
* Sold in increments of 10

Add item to quote

AN4DDH21A Datasheet Features and Specification

Fastener Length:

2.156 inches

Features Provided:

Finished head

Grip Length:

1.688 inches

Head Height:

Between 0.140 inches and 0.172 inches

Head Style:

Hexagon

Hole Configuration Style:

Hexagon flats

Hole Diameter:

0.046 inches

Hole Quantity:

Hole Type:

Drilled

Material:

Aluminum alloy 2024 or aluminum alloy

Material Specification:

Qq-a-267 federal specification 1st material response or qq-a-268 federal specification 1st material response or mil-w-7986 military specification 2nd material response

Min. Tensile Strength (psi):

62000 pounds per square inch

Thread Diameter:

0.250 inches

Surface Treatment:

Oxide film and anodize

Surface Treatment Specification:

Mil-c-5541 military specification 1st treatment response and mil-a-8625 military specification 2nd treatment response

Thread Class:

Thread Direction:

Right-hand

Thread Length:

0.468 inches

Thread Qty Per Inch (tpi):

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	Aluminum
Length	2-1/8

Additional Information

SKU / Model:	AN4DDH21A
NSN:	5306-00-810-3765
FSC:	Bolts / 5306
Product Series:	AN4DDH
Pack Weight (Approx.)	0.131 lb
Minimum Qty (MOQ):	10
Schedule B:	7616.10.9090
ECCN:	EAR99
National Motor Freight:	093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version AN4DDH21A_Military-Fasteners-com.pdf

* report an issue on this page

More AN4DDH machine bolts

AN4DDH7A

Fastener Length: 29/32", Hole Diameter: 5/64", Thread: 1/4-28, Thread Length: 15/32"

AN4DDH6A

Machine Bolt 5306-00-275-9644, Fastener Length: 25/32in., Hole Diameter: 3/64in., Thread: 1/4-28, Thread Length: 15/32in.

AN4DDH5A

Fastener Length: 21/32", Hole Diameter: 3/64", Thread: 1/4-28, Thread Length: 15/32"

AN4DDH15A

Fastener Length: 1-21/32", Hole Diameter: 3/64", Thread: 1/4-28, Thread Length: 15/32"

AN4DDH11A

Fastener Length: 1-5/32", Hole Diameter: 3/64", Thread: 1/4-28, Thread Length: 15/32"

Product Image Gallery

Product code AN4DDH21A

Have a question

If you require a quote on this or any product please visit our quote request page »

Browse our frequently asked questions page.

You may contact us by phone at +1 (904) 543-6395 or email us using our contact form.

Our hours of operation are 8:00am - 6:00pm EST

Customer Reviews

View our Google profile

Janice M.

I was working with Kasey and she was very helpful. I received our fasteners very fast.

5.0

Debbie L.

always has stock or notes when it will be available before placing the order

5.0

Nataly F.

My many experiences with Military Fasteners have been very good.

4.0

Tatum B.

I needed a voltage regulator as soon as possible to get a school plane back up. I wasnt able to call in the order until right at the cut-off time. I asked to PLEASE try to get the order shipped that day, and she did. Thank you very much!!

4.0