NAS1801-4-7

Machine Screw

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Description:

length: 7/16", thread: 1/4-28, hex head screw, cruciform recess, full thread, alloy steel

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NAS1801-4-7 Price:
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$0.53 Each
Quantity:
Pre-packaged bag qty: 50 ea
* Sold in increments of 50
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NAS1801-4-7 Datasheet Features and Specification

Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
0.287 inches minimum and 0.437 inches maximum
Fastener Length:
0.422 inches minimum and 0.469 inches maximum
Head Style:
Hexagon
Head Height:
0.125 inches minimum and 0.140 inches maximum
Width Between Flats:
0.367 inches minimum and 0.376 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
Screw Material:
Steel comp e4340 or steel comp 8740
Screw Material Specification:
Mil-s-5000 mil spec 1st material response or mil-s-6047 mil spec 2nd material response or ams 6322 assn std 2nd material response
Screw Surface Treatment:
Cadmium and chromate
Screw Surface Treatment Specification:
Qq-p-416,type 2 cl 2 fed spec single treatment response
Thread Series Designator:
Unjf
Specification Data:
80205-nas1801 professional/industrial association standard
Quick Specs
Thread Size 1/4
Thread Qty 28
Material Steel
Length 15/32

Additional Information

SKU / Model: NAS180147
NSN: 5305-01-189-7414
FSC: Screws / 5305
Product Series: NAS1801-4
Pack Weight (Approx.) 0.454 lb
Minimum Qty (MOQ): 50
ECCN: EAR99
National Motor Freight: 093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version
NAS1801-4-7_Military-Fasteners-com.pdf
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Customer Reviews

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Great service, I run a small GA workshop and I can count on Military Fasteners even though I'm in Australia, its quicker than getting it in Australia most of the time. The web site is great and simple to find the parts needed.

4.0

Small order but all was in stock, sales rep was very friendly and made it a pleasure. Shipped and received quicker than expected.

5.0

Great service! All items were correct, in good order and packaged well. Always nice to have this portion of an airplane project go smoothly. Thank you.

4.5

I love your website. Can hardly believe how fast & accurate the orders come. Am building a kit plane, need a lot of small hardware and electrical the past few months. There has not been a mistake in the last dozen orders.

4.0