AN178H27

Aeronautical Standard Close Tolerance Bolt

email this to someone  
Description:

Fastener Length: 2-63/64", Hole Diameter: 1/16", Thread: 1/2-20, Thread Length: 53/64

* Manufacturer certifications are shipped with your order FREE of charge
no image available
Notice: AN178H27 is currently unavailable for immediate purchase. Click the button below to add this item to the request a quote form and receive an official pricing and availability quote by email.

Add to Quote

Add item to quote  

AN178H27 Datasheet Features and Specification

Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
0.749 inches minimum and 0.828 inches maximum
Fastener Length:
2.953 inches minimum and 3.000 inches maximum
Head Style:
Hexagon
Head Height:
0.265 inches minimum and 0.297 inches maximum
Width Between Flats:
0.740 inches minimum and 0.752 inches maximum
Hole Diameter:
0.070 inches nominal
Grip Diameter:
0.4986 inches minimum and 0.4991 inches maximum
Shank Unthreaded Hole Diameter:
0.106 inches nominal first hole
Thread Diameter:
0.500 inches
Grip Length:
2.172 inches minimum and 2.204 inches maximum
Hole Quantity:
1
Hole Type:
Drilled
Thready Qty Per Inch (tpi):
20
Min. Tensile Strength (psi):
125000 pounds per square inch
Hardness Rating:
26.0 rockwell c minimum overall and 32.0 rockwell c maximum overall
Hole Configuration Style:
Hexagon flats
Distance From Head Largest Bearing Surface To Shank Hole Center:
2.781 inches minimum first hole and 2.813 inches maximum first hole
Surface Finish:
63.0 microinches bearing surface of head
Surface Finish:
63.0 microinches grip
Material:
Steel comp 8740 overall or steel comp 8630 overall or steel comp 8735 overall or steel comp 4037 overall or steel comp 4140 overall or steel comp 4130 overall
Material Specification:
Mil-s-6049 mil spec 1st material response overall or mil-s-6050 mil spec 2nd material response overall or mil-s-6098 mil spec 3rd material response overall or ams 6300 assn std 4th material response overall or mil-s-5626 mil spec 5th material response overall or mil-s-6758 mil spec 6th material response overall
Surface Treatment:
Cadmium overall and chromate overall
Surface Treatment Specification:
Qq-p-416,ty2 cl3 fed spec single treatment response overall
Thread Series Designator:
Unf
Quick Specs
Thread Size 1/2
Thread Qty 20
Material Steel
Length 2-63/64

Additional Information

SKU / Model: AN178H27
NSN: 5306-00-151-3087
FSC: Bolts / 5306
Product Series: AN178H
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 2
Schedule B: 7318.15.8085
ECCN: EAR99
National Motor Freight: 093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version
AN178H27_Military-Fasteners-com.pdf
Worldwide Shipping

* report an issue on this page

More AN178H close tolerance bolts

AN178H24

Fastener Length: 2-19/32", Hole Diameter: 1/16", Thread: 1/2-20, Thread Length: 25/32"

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

Google View our Google profile

Easy catalogue to find things. Battery fit perfect. Legal again for another two years. Delivered sooner than promised!

5.0

Order was placed with ease, confirmation received in minutes, delivery by UPS ground in one day. Reasonable price, easy installation. Great service as always.

4.0

No matter the size of my order, I am always treated with a high degree of professional courtesy. The staff are very knowledgeable about the company and take a personal interest in each order.

5.0

I have been a customer for years and have never had a problem with any orders. Please keep up the good work :)

4.0