NAS517-4-9

Machine Screw

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Description:

length: 1.031", grip: 0.562", thread: 1/4-28, shear, close tolerance, alloy steel

* Manufacturer certifications are shipped with your order FREE of charge
NAS517-4-9
NAS517-4-9
NAS517-4-9
NAS517-4-9
NAS517-4-9
NAS517-4-9
Add to Cart Up to qty 1500 ships same day if ordered before 4pm EST
NAS517-4-9 Price:
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$0.53 Each
Quantity:
Pre-packaged bag qty: 100 ea
* Sold in increments of 100
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NAS517-4-9 Datasheet Features and Specification

Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
0.368 inches minimum and 0.514 inches maximum
Fastener Length:
1.016 inches minimum and 1.061 inches maximum
Head Style:
Flat countersunk
Head Diameter:
0.452 inches minimum and 0.510 inches maximum
Internal Drive Style:
Cross recess type 1
Thread Diameter:
0.250 inches
Thready Qty Per Inch (tpi):
28
Min. Tensile Strength (psi):
160000 pounds per square inch
Hardness Rating:
36.0 rockwell c minimum and 40.0 rockwell c maximum
Countersink Angle:
99.0 degrees minimum and 101.0 degrees maximum
Screw Material:
Steel comp 8630
Screw Material Specification:
Mil-s-6050 mil spec single material response or an-s-9 mil std single material response
Screw Surface Treatment:
Cadmium and chromate
Screw Surface Treatment Specification:
Qq-p-416 ty 2 cl 2 fed spec single treatment response
Thread Series Designator:
Unf
Quick Specs
Thread Size 1/4
Thread Qty 28
Material Steel
Length 1-3/64

Additional Information

SKU / Model: NAS51749
NSN: 5305-00-207-3741
FSC: Screws / 5305
Product Series: NAS517
Pack Weight (Approx.) 1.440 lb
Minimum Qty (MOQ): 100
ECCN: EAR99
National Motor Freight: 093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version
NAS517-4-9_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 NAS517-4-9
NAS517-4-9
NAS517-4-9
NAS517-4-9
NAS517-4-9
NAS517-4-9
NAS517-4-9

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Lindsey is our go to person at Military Fasteners. When we need a quote she is the first person we look to. We are very happy with the service and product. Highly recommend to others.

5.0

As always, goods exactly as ordered, packaged well, shipped promptly...doesnt get any better. Thank you.

5.0

To say I am satisfied with all purchases from Military Fasteners is a bit of an understatement. Selection, price, packaging, shipping exceeds expectations. You are my number one choice for my aircraft needs, thank you, Charles

5.0

I called in a hot order that was needed next day. It was already mid afternoon and i had already skipped the deadline for shipments that day. I spoke with Trisha, and she went out of her way to place my order and get it pulled and shipped same day. Thank you Trisha, you are the best.

5.0