NAS517-4-1

Machine Screw

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Description:

length: 0.531", thread: 1/4-28 shear - close tolerance screw - alloy steel

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Add to Cart Up to qty 1650 ships same day if ordered before 4pm EST
NAS517-4-1 Price:
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$0.68 Each
Quantity:
Pre-packaged bag qty: 50 ea
* Sold in increments of 50
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NAS517-4-1 Datasheet Features and Specification

Thread Qty Per Inch (tpi):
28
Thread Direction:
Right-hand
Thread Length:
Between 0.385 inches and 0.531 inches
Thread Class:
3a
Thread Diameter:
0.250 inches
Surface Treatment Specification:
Qq-p-416 type 2 cl 3 federal specification single treatment response
Surface Treatment:
Cadmium and chromate
Min. Tensile Strength (psi):
160000 pounds per square inch
Internal Drive Style:
Cross recess type 1
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
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 0.516 inches and 0.561 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
Drive Style Cross
Material Steel

Additional Information

SKU / Model: NAS51741
NSN: 5305-00-637-6949
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
NAS517-4-1_Military-Fasteners-com.pdf
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length: 1/2", thread: 8-32, pan head, fully threaded, philips recess, alloy steel cadmium ii plating, NAS602 series screw

More NAS517 machine screws

NAS517-8-6

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

NAS517-6-9

Fastener Length: 1-13/64in., Thread: 3/8-24, Thread Length: 21/32in., 5305-00-207-1791

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

$44.70 Ea

NAS517-6-27

Fastener Length: 2-21/64", Thread: 3/8-24, Thread Length: 21/32"

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Customer Reviews

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As usual & predictably, Military Fasteners comes thru as promised. Sets a higher standard for service, more companies should follow. Thanks again!

5.0

Devin provided quick and efficient shipping!

5.0

Just received my order and I would like to congratulate you on such fast and efficient service. You are excellent at what you do and I always recommend you to others. Great company, it's a pleasure dealing with you, well done once again!

5.0

Brittany was attentive to our needs. We had to source some other products you didn't have elsewhere. We would have preferred to place an order a one place. Will come back and order another time.

5.0