NAS1143-1

Close Tolerance Screw

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Description:

cadmium plated alloy steel - length: 0.338", thread: 10-32, modified pan head machine screw - close tolerance - short thread - offset cruciform recess

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NAS1143-1 Datasheet Features and Specification

Fastener Length:
Between 0.323 inches and 0.353 inches
Grip Diameter:
Between 0.1885 inches and 0.1895 inches
Grip Length:
Between 0.052 inches and 0.072 inches
Hardness Rating:
36.0 rockwell c and 40.0 rockwell c
Head Diameter:
Between 0.361 inches and 0.385 inches
Head Height:
Between 0.103 inches and 0.118 inches
Head Style:
Pan
Internal Drive Style:
Offset cruciform (torque set)
Material:
Steel comp e4340 or steel comp 4140 or steel comp 8740 or steel comp 8735 or steel comp 6150
Min. Tensile Strength (psi):
160000 pounds per square inch
Thread Diameter:
0.190 inches
Specification Data:
80205-nas1143 professional/industrial association standard
Surface Finish:
32.0 microinches bearing surface of head
Surface Finish:
32.0 microinches grip
Surface Finish:
32.0 microinches threads
Surface Treatment:
Cadmium and chromate
Surface Treatment Specification:
Qq-p-416 type 2 cl 3 federal specification single treatment response
Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
Between 0.251 inches and 0.301 inches
Thread Qty Per Inch (tpi):
32
Thread Series Designator:
Unjf (fine thread with external controlled root radius)
Quick Specs
Thread Size 10
Thread Qty 32
Thread Series UNJF
Thread Class 3A
Drive Style Torq
Material Steel

Additional Information

SKU / Model: NAS11431
NSN: 5305-00-941-6409
FSC: Screws / 5305
Product Series: NAS1143
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 10
National Motor Freight: 093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version
NAS1143-1_Military-Fasteners-com.pdf
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More NAS1143 close tolerance screws

NAS1143E9

Fastener Length: 27/32in., Thread: 10-32, Thread Length: 1/4in.

NAS1143E8

Fastener Length: 25/32in., Thread: 10-32, Thread Length: 1/4in.

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Customer Reviews

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Ordered on a Monday evening and arrived in New Zealand Friday afternoon. Very good prompt service and the compass was installed on the Saturday after calibration. Thanks Military Fasteners!

5.0

Paige is the best :)

5.0

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

5.0

Received exactly as ordered, exactly when promised. Superb customer service as always.

4.0