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Machine Screw MS27039-4-19

Description:

Cadmium plated steel, length: 1.219", grip: 0.688", thread: 1/4-28, pan head structural machine screw

MS27039-4-19 Details

National Stock Number (NSN) 5305-00-936-9622
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 1.214 inches and 1.251 inches
Fastener Length Between 1.204 inches and 1.251 inches
Head Style Pan no. 2
Head Diameter Between 0.473 inches and 0.492 inches
Head Height Between 0.162 inches and 0.175 inches
Internal Drive Style Cross recess type 1
Thread Diameter 0.250 inches
Thready Qty Per Inch (tpi) 28
Min. Tensile Strength (psi) 125000 pounds per square inch
Hardness Rating Between 26.0 rockwell c and 32.0 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, type 2, class 3 federal specification single treatment response
Thread Series Designator Unf

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