NAS1189E04P4LK

Close Tolerance Screw

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Description:

Fastener Length: 1/4", Thread: 4-40, Thread Length: 3/16

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NAS1189E04P4LK Datasheet Features and Specification

Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
0.124 inches minimum and 0.200 inches maximum
Fastener Length:
0.219 inches minimum and 0.250 inches maximum
Head Style:
Flat countersunk
Head Diameter:
0.177 inches minimum and 0.225 inches maximum
Locking Feature:
Pellet threads or strip threads
Internal Drive Style:
Cross recess type 1
Thread Diameter:
0.112 inches
Thready Qty Per Inch (tpi):
40
Min. Tensile Strength (psi):
160000 pounds per square inch
Countersink Angle:
100.0 degrees nominal
Surface Finish:
32.0 microinches bearing surface of head
Surface Finish:
32.0 microinches threads
Material:
Iron alloy 660 overall
Material Specification:
Ams 5737 assn std single material response overall
Surface Treatment:
Passivate overall
Surface Treatment Specification:
Qq-p-35 fed spec single treatment response overall
Thread Series Designator:
Unjc
Specification Data:
80205-nas1189 professional/industrial association standard
Quick Specs
Thread Size 4
Thread Qty 40
Material Iron
Length 1/4

Additional Information

SKU / Model: NAS1189E04P4LK
NSN: 5305-01-059-7439
FSC: Screws / 5305
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 5
Schedule B: 7318.15.6080
ECCN: EAR99
National Motor Freight: 093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version
NAS1189E04P4LK_Military-Fasteners-com.pdf
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