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Hex Head Screw NAS1801-3-44

Description:

Length: 2-3/4", thread: 10-32, hex head screw, cruciform recess, full thread, alloy steel

NAS1801-3-44 Details

National Stock Number (NSN) 5305-01-137-7288
Alternate Part Number N/A
Federal Supply Class (FSC) 5305
Unit of Measure (UOM) 50 /Ea.
Thread Class 3a
Thread Direction Right-hand
Thread Length 1.750 inches
Fastener Length Between 2.660 inches and 2.750 inches
Head Style Hexagon
Head Height Between 0.105 inches and 0.120 inches
Width Between Flats Between 0.305 inches and 0.312 inches
Internal Drive Style Cross recess type 1
Thread Diameter 0.190 inches
Thready Qty Per Inch (tpi) 32
Min. Tensile Strength (psi) 160000 pounds per square inch
Hardness Rating Between 36.0 rockwell c and 40.0 rockwell c
Screw Material Steel comp 4037 or steel comp 8630
Screw Material Specification Ams 6300 assn standard 1st material response or mil-s-6050 military specification 2nd material response
Screw Surface Treatment Cadmium and chromate
Screw Surface Treatment Specification Qq-p-416, ty2 cl 2 federal specification single treatment response
Thread Series Designator Unjf

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