20-057-4-14D

Bolt

email this to someone  
Description:

Fastener Length: 1-19/64", Thread: 1/4-28, Thread Length: 27/64"

* Manufacturer certifications are shipped with your order FREE of charge
no image available
Add to Quote We are currently out of stock of this item. Click the button below to add this item to a quote and receive up to date pricing and availability by email.

Add to Quote

20-057-4-14D Datasheet Features and Specification

Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
0.425 inches nominal
Fastener Length:
1.300 inches nominal
Head Style:
Hexagon
Head Height:
0.125 inches minimum and 0.140 inches maximum
Width Between Flats:
0.430 inches minimum and 0.439 inches maximum
Grip Diameter:
0.2485 inches minimum and 0.2495 inches maximum
Shank Unthreaded Hole Diameter:
0.076 inches minimum first hole and 0.086 inches maximum first hole
Thread Diameter:
0.250 inches
Grip Length:
0.875 inches nominal
Thready Qty Per Inch (tpi):
28
Min. Tensile Strength (psi):
160000 pounds per square inch
Hardness Rating:
36.0 rockwell c minimum overall and 40.0 rockwell c maximum overall
Distance From Head Largest Bearing Surface To Shank Hole Center:
1.122 inches nominal first hole
Material:
Steel overall
Material Specification:
Mil-b-7838 mil spec single material response overall
Surface Treatment:
Cadmium overall
Surface Treatment Specification:
Qq-p-416,type 2,class 2 fed spec single treatment response overall
Thread Series Designator:
Unjf
Quick Specs
Thread Size 1/4
Thread Qty 28
Material Steel
Length 1-19/64

Additional Information

SKU / Model: 20057414D
NSN: 5306-01-026-0381
FSC: Bolts / 5306
Product Series: 20
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 10 EA
Schedule B: 7318.15.8085
ECCN: 9A991
National Motor Freight: 093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version
20-057-4-14D_Military-Fasteners-com.pdf
Worldwide Shipping

* report an issue on this page

More 20 machine bolts

206756-1

Bolt

206418-2

Length: 7-3/8"

205937

Bolt

202-15523-3-9

$13.50 EA, Fastener Length: 15/16in. Thread: 10-32 Thread Length: 3/8in.

202-15523-3-4

$2.70 EA, 202-15523-3-4

202-15523-3-3

Fastener Length: 9/16", Thread: 10-32, Thread Length: 3/8"

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

Prompt fulfillment of order and accurate and secure packaging. Also, competitive prices with no minimum order requirements. military fasteners is the best.

5.0

I have been doing business with Military Fasteners for a number of years. Every Time I have needed a question answered in finding something for my projects Military Fasteners has always been there. The people I talk to are helpful and knowledgeable concerning all the vintage planes I have called looking for a special item needed. Thank you for being YOU!

5.0

Wow, great quick order. Website is easy to navigate and orders are shipped quickly. I have already passed along to others as having the right parts and quick shipping. Thanks, Danny S, Louisiana

4.0

Ordering is easy, prices are generally the best around, and now that USPS is a shipping option, everything is good!

4.0