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Socket Head Screw NAS1351C4-20

Description:

Length: 1-1/4", thread: 1/4-28, socket head screw, corrosion resistant steel

NAS1351C4-20 Details

National Stock Number (NSN) 5305-00-235-9883
Alternate Part Number N/A
Federal Supply Class (FSC) 5305
Unit of Measure (UOM) 10 /Ea.
Thread Class 3a
Thread Direction Right-hand
Thread Length Between 1.210 inches and 1.250 inches
Fastener Length Between 1.234 inches and 1.281 inches
Head Style Flat chamfer
Head Diameter Between 0.365 inches and 0.375 inches
Head Height Between 0.244 inches and 0.250 inches
Internal Drive Style Hexagon
Thread Diameter 0.250 inches
Width Across Flats Between 0.188 inches and 0.190 inches
Thready Qty Per Inch (tpi) 28
Min. Tensile Strength (psi) 80000 pounds per square inch
Hardness Rating 80.0 rockwell b
Minimum Yield Strength 30000 pounds per square inch
Material Steel comp 302 or steel comp 304 or steel comp 305 or steel comp 316 or steel comp 384 or steel comp xm-7
Material Specification 66 federal standard 1st material response or 66 federal standard 2nd material response or 66 federal standard 3rd material response or 66 federal standard 4th material response or 66 federal standard 5th material response or astm a493 assn standard 6th material response
Surface Treatment Passivate
Surface Treatment Specification Qq-p-35 federal specification single treatment response
Thread Series Designator Unrf

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