NAS517-4-12

Machine Screw

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Description:

length: 1.219", grip: 0.750", thread: 1/4-28, shear, close tolerance, alloy steel

* Manufacturer certifications are shipped with your order FREE of charge
NAS517-4-12
NAS517-4-12
NAS517-4-12
NAS517-4-12
NAS517-4-12
NAS517-4-12
Add to Cart Up to qty 600 ships same day if ordered before 4pm EST
NAS517-4-12 Price:
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$0.79 Each
Quantity:
Pre-packaged bag qty: 50 ea
* Sold in increments of 50
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NAS517-4-12 Datasheet Features and Specification

Thread Qty Per Inch (tpi):
28
Thread Length:
Between 0.368 inches and 0.514 inches
Thread Class:
3a
Thread Diameter:
0.250 inches
Thread Direction:
Right-hand
Surface Treatment:
Cadmium and chromate
Surface Treatment Specification:
Cl 3 federal specification all treatment responses type 2 qq-p-416
Min. Tensile Strength (psi):
160000 pounds per square inch
Material:
Steel
Material Specification:
Mil-s-6050 military specification single material response or an-s-9 military standard single material response
Head Style:
Flat countersunk
Internal Drive Style:
Cross recess type 1
Head Diameter:
Between 0.452 inches and 0.510 inches
Hardness Rating:
Between 36.0 rockwell c and 40.0 rockwell c
Fastener Length:
Between 1.204 inches and 1.249 inches
Countersink Angle:
Between 99.0 degrees and 101.0 degrees
Thread Series Designator:
Unf (fine thread)
Quick Specs
Thread Size 1/4
Thread Qty 28
Thread Series UNF
Thread Class 3A
Material Steel

Additional Information

SKU / Model: NAS517412
NSN: 5305-00-637-7032
FSC: Screws / 5305
Product Series: NAS517
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 50
ECCN: EAR99
National Motor Freight: 093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version
NAS517-4-12_Military-Fasteners-com.pdf
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More NAS517 machine screws

NAS517-8-6

Fastener Length: 1-9/64", Thread: 1/2-20, Thread Length: 25/32"

NAS517-6-9

$2.10 EA, Fastener Length: 1-13/64in., Thread: 3/8-24, Thread Length: 21/32in.

NAS517-6-6

$3.90 EA, Fastener Length: 63/64in., Thread: 3/8-24, Thread Length: 21/32in.

NAS517-6-5

$1.50 EA, Fastener Length: 61/64in., Thread: 3/8-24, Thread Length: 21/32in.

NAS517-6-28

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NAS517-6-27

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Product Image Gallery

Product code NAS517-4-12
NAS517-4-12
NAS517-4-12
NAS517-4-12
NAS517-4-12
NAS517-4-12
NAS517-4-12

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Customer Reviews

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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

Tanks for the fantastic service. I ordered over the new year period and was amazed my shipment arrived so fast, all the way to New Zealand. Less than a week and that included clearing Customs. Awesome!!

5.0

Thanks for the quick service. Great price and quick service.

5.0

I was looking for hard to find parts for a safety critical application. The first couple of places I tried had the part on their web page but when I tried to order it they said, sorry, they did not actually have the parts. I called Military Fasteners. Talked to an employee without delay. She looked up the part number, told me who manufactured them (important), where the company is located (very important) and shipped the parts immediately from their own inventory. Super nice, helpful, efficient and knowledgeable. They get it.

5.0