AN4-27

Aeronautical Standard Machine Bolt

email this to someone

Description:

Length: 2-29/32, grip: 2-7/16", thread: 1/4-28, cadmium plated steel, drilled shank

* Manufacturer certifications are shipped with your order FREE of charge

Add to Cart Up to qty 20 ships same day if ordered before 4pm EST

Add item to quote

AN4-27 Datasheet Features and Specification

Thread Class:

Thread Direction:

Right-hand

Thread Length:

0.468 inches minimum

Fastener Length:

2.906 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

Shank Unthreaded Hole Diameter:

0.076 inches minimum first hole

Thread Diameter:

0.250 inches

Grip Length:

2.438 inches nominal

Features Provided:

Finished head

Thready Qty Per Inch (tpi):

Min. Tensile Strength (psi):

125000 pounds per square inch

Hardness Rating:

26.0 rockwell c minimum overall and 32.0 rockwell c maximum overall

Distance From Head Largest Bearing Surface To Shank Hole Center:

2.750 inches nominal first hole

Material:

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

Material Specification:

Mil-b-6812 mil spec all material responses overall

Surface Treatment:

Cadmium overall and chromate overall

Surface Treatment Specification:

Qq-p-416,type 2,class 3 fed spec all treatment responses overall

Thread Series Designator:

Unf

Quick Specs

Thread Size	1/4
Thread Qty	28
Material	Steel
Length	2-7/8

Additional Information

SKU / Model:	AN427
NSN:	5306-00-151-1142
FSC:	Bolts / 5306
Product Series:	AN4
Pack Weight (Approx.)	0.901 lb
Minimum Qty (MOQ):	20
ECCN:	EAR99
National Motor Freight:	093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version AN4-27_Military-Fasteners-com.pdf

* report an issue on this page

Frequently bought together

Other customers frequently bought these along with AN4-27

AN4-15
Machine Bolt
in Bolts

length: 1-21/32", grip: 1-3/16", thread: 1/4-28, cadmium plated steel drilled shank

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 AN4-27

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

Emanuel C.

My order was handled extremely well. From placing my order online, through payment, communication of tracking, etc., everything was perfect. The package arrived in a timely manner, and all items were received in excellent condition.

4.0

Omari N.

I have built an airplane with parts from Military Fasteners. In the last years I have only had one issue involving warranty problems and that was resolved by the factory. Good service and quality parts/availability are very good at Military Fasteners.

5.0

Princeton S.

Very speedy order processing and reasonable shipping time. Its almost like walking next door to a favorite aircraft supply house.

5.0

Banks M.

Thanks for the quick delivery! Arrived quickly and in perfect condition. As usual with Military Fasteners. I'll be back!

5.0

AN4-27 Price:	buy now $2.26 Each
Quantity: Pre-packaged bag qty: 20 ea
* Sold in increments of 20