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Machine Screw NAS1623-4

Description:

Length: 0.526", thread: 10-32, flat head 100° , machine screw, offset cruciform, short thread

NAS1623-4 Details

National Stock Number (NSN) 5305-00-058-2575
Alternate Part Number N/A
Federal Supply Class (FSC) 5305
Unit of Measure (UOM) 100 /Ea.
Thread Class 3a
Thread Direction Right-hand
Thread Length Between 0.271 inches and 0.281 inches
Fastener Length Between 0.511 inches and 0.541 inches
Head Style Flat countersunk
Head Diameter Between 0.322 inches and 0.387 inches
Internal Drive Style Torque set
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 42.0 rockwell c
Countersink Angle Between 99.0 degrees and 101.0 degrees
Screw Material Steel comp e4340 or steel comp 8740 or steel comp 8735 or steel comp 6150 or steel comp 4140 or steel comp 4037
Screw Material Specification Mil-s-5000 military specification 1st material response or mil-s-6049 military specification 2nd material response or mil-s-6098 military specification 3rd material response or mil-s-8503 military specification 4th material response or mil-s-5626 military specification 5th material response or ams 6300 assn standard 6th material response
Screw Surface Treatment Cadmium and chromate
Screw Surface Treatment Specification Qq-p-416 type 2 cl 3 federal specification single treatment response
Thread Series Designator Unf

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