NAS1189-4P9

Screw

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Description:

Fastener Length: 9/16", Thread: 1/4-28, Thread Length: 29/64"

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NAS1189-4P9 Datasheet Features and Specification

Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
0.354 inches minimum and 0.456 inches maximum
Fastener Length:
0.531 inches minimum and 0.562 inches maximum
Head Style:
Flat countersunk
Head Diameter:
0.442 inches minimum and 0.507 inches maximum
Locking Feature:
Patch threads or strip threads or strip threads
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 overall and 40.0 rockwell c maximum overall
Countersink Angle:
100.0 degrees nominal
Surface Finish:
32.0 microinches bearing surface of head
Surface Finish:
32.0 microinches threads
Material:
Steel comp 4140 overall or steel comp e4340 overall or steel comp 6150 overall or steel comp 8735 overall or steel comp 8740 overall
Material Specification:
Mil-s-5626 mil spec 1st material response overall or mil-s-5000 mil spec 2nd material response overall or mil-s-8503 mil spec 3rd material response overall or mil-s-6098 mil spec 4th material response overall or mil-s-6049 mil spec 5th material response overall
Surface Treatment:
Cadmium overall and chromate overall
Surface Treatment Specification:
Qq-p-416,ty 2,cl 2 fed spec single treatment response overall
Thread Series Designator:
Unjf
Specification Data:
80205-nas1189 professional/industrial association standard
Quick Specs
Thread Size 1/4
Thread Qty 28
Material Steel
Length 9/16

Additional Information

SKU / Model: NAS11894P9
NSN: 5305-01-020-9569
FSC: Screws / 5305
Product Series: NAS1189
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 5 EA
Schedule B: 7318.15.6080
ECCN: 9A991
National Motor Freight: 093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version
NAS1189-4P9_Military-Fasteners-com.pdf
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