NAS1081-4A5N

Setscrew

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Description:

Fastener Length: 1/4", Thread: 1/4-28, Head Width: 1/8", Thread Length: 1/4"

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NAS1081-4A5N Datasheet Features and Specification

Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
0.312 inches maximum
Fastener Length:
0.312 inches nominal
Head Style:
Headless (setscrew)
Locking Feature:
Pellet threads or strip threads
Point Style:
Flat
Internal Drive Style:
Hexagon
Thread Diameter:
0.250 inches
Width Across Flats:
0.125 inches minimum and 0.127 inches maximum
Thready Qty Per Inch (tpi):
28
Hardness Rating:
45.0 rockwell c minimum overall and 53.0 rockwell c maximum overall
Material:
Steel comp 4037 overall or steel comp 4137 overall or steel comp 4140 overall or steel comp 8630 overall or steel comp 8740 overall
Material Specification:
66 fed std all material responses overall
Surface Treatment:
Cadmium overall and chromate overall
Surface Treatment Specification:
Qq-p-416,ty 2,cl 3 fed spec all treatment responses overall
Thread Series Designator:
Unf

Additional Information

SKU / Model: NAS10814A5N
NSN: 5305-00-847-0008
FSC: Screws / 5305
Product Series: NAS1081
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 5 EA
Schedule B: 7318.15.6080
ECCN: EAR99
National Motor Freight: 093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version
NAS1081-4A5N_Military-Fasteners-com.pdf
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I have used Military Fasteners for all my parts for a number of years and have never had a problem with my orders. Fast shipping, correct parts picking and lots of inventory. Thanks for your service.

5.0

Staff very supportive and informative. Order was shipped extremely promptly and correctly. GREAT customer service!

5.0

As normal with Military Fasteners for many years, no issues. I order the parts needed and they send them. Just fair prices and good service.

4.0

Good job, all tools accounted for, packing and delivery was great. All the tools are high quality. Thanks.

4.0