NAS1219-4-8

Screw

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Description:

Fastener Length: 1/2", Thread: 1/4-28, Thread Length: 25/64"

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NAS1219-4-8 Datasheet Features and Specification

Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
0.304 inches minimum and 0.405 inches maximum
Fastener Length:
0.485 inches minimum and 0.515 inches maximum
Head Style:
Flat countersunk
Head Diameter:
0.461 inches minimum and 0.507 inches maximum
Internal Drive Style:
High-torque
Thread Diameter:
0.250 inches
Thready Qty Per Inch (tpi):
28
Min. Tensile Strength (psi):
160000 pounds per square inch
Hardness Rating:
39.0 rockwell c minimum and 43.0 rockwell c maximum
Countersink Angle:
99.0 degrees minimum and 101.0 degrees maximum
Screw Material:
Steel comp 4140 or steel comp e4340 or steel comp 8740
Screw Material Specification:
Mil-s-5626 mil spec 1st material response or mil-s-5000 mil spec 2nd material response or mil-s-6049 mil spec 3rd material response
Screw Surface Treatment:
Cadmium and chromate
Screw Surface Treatment Specification:
Qq-p-416 ty 2 cl 2 fed spec single treatment response
Thread Series Designator:
Unjf
Specification Data:
80205-nas1219 professional/industrial association standard
Quick Specs
Thread Size 1/4
Thread Qty 28
Material Steel
Length 1/2

Additional Information

SKU / Model: NAS121948
NSN: 5305-01-296-3675
FSC: Screws / 5305
Product Series: NAS1219
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
NAS1219-4-8_Military-Fasteners-com.pdf
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