AN4-57A

Aeronautical Standard Machine Bolt

email this to someone

Description:

length: 5-29/32", grip: 5-7/16", thread: 1/4-28, cadmium plated steel undrilled shank

* Manufacturer certifications are shipped with your order FREE of charge

Add to Cart Up to qty 75 ships same day if ordered before 4pm EST

AN4-57A Price:	buy now $8.24 Each
Quantity: Pre-packaged bag qty: 5 ea
* Sold in increments of 5

Add item to quote

AN4-57A Datasheet Features and Specification

Fastener Length:

5.906 inches

Features Provided:

Finished head

Grip Length:

5.438 inches

Hardness Rating:

26.0 rockwell c and 32.0 rockwell c

Head Height:

Between 0.140 inches and 0.172 inches

Head Style:

Hexagon

Material:

Steel comp 4140 or steel comp 8740 or steel comp 8630 or steel comp 8735 or steel comp 4130 or steel comp 4037

Material Specification:

Mil-s-5626 military specification 1st material response or mil-s-6049 military specification 2nd material response or mil-s-6050 military specification 3rd material response or mil-s-6098 military specification 4th material response or mil-s-6758 military specification 5th material response or mil-s-8695 military specification 6th material response

Min. Tensile Strength (psi):

125000 pounds per square inch

Thread Diameter:

0.25 inches

Surface Treatment:

Cadmium and chromate

Surface Treatment Specification:

Qq-p-416 type 2 cl 3 federal specification all treatment responses

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	Steel

Additional Information

SKU / Model:	AN457A
NSN:	5306-00-151-1093
FSC:	Bolts / 5306
Product Series:	AN4
Pack Weight (Approx.)	0.000 lb
Minimum Qty (MOQ):	5
ECCN:	EAR99
National Motor Freight:	093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version AN4-57A_Military-Fasteners-com.pdf

* report an issue on this page

More AN4 machine bolts

AN4H7A

$1.02 Each, airframe bolt 1/4-28 Thread, 7/16in. Grip, 29/32in. Length drilled head undrilled shank

AN4H7

Length: 29/32in., grip: 7/16in., thread: 1/4-28, cadmium plated steel drilled shank, drilled head

AN4H6A

Length: 25/32in., grip: 5/16in., thread: 1/4-28, cadmium plated steel undrilled shank drilled head

AN4H66A

Fastener Length: 6-13/16", Hole Diameter: 1/32", Thread: 1/4-28, Thread Length: 33/64"

AN4H60A

Fastener Length: 6-", Hole Diameter: 1/32", Thread: 1/4-28, Thread Length: 15/32"

AN4H6

$1.50 Each, Length: 25/32in., grip: 5/16in., thread: 1/4-28, cadmium plated steel drilled shank drilled head

Product Image Gallery

Product code AN4-57A

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

Margaret F.

Great Service, very satisfied with ordering form your company. I have ordered several items and nothing has been incorrect or delayed. Large inventory to choose from, website design is very good and easy to navigate Keep up the good work

5.0

Tommy F.

Everything was professional. Never talked to anyone, just online order.

5.0

Ambrose R.

Thanks for being there for us small plane owners. It has never been cheap to own a plane but as our planes age it is getting harder and harder to find parts for upkeep. Good fast service also.

5.0

Rome C.

Thank you for having the items in stock and for fast shipping. The service was very good.

4.0