Worldwide distributor of NSN parts and consumables located in the USA.
Cadmium plated steel, length: 2.031", grip: 1.500", thread: 1/4-28, pan head structural machine screw
National Stock Number (NSN) | 5305-00-891-1786 |
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 | Between 0.530 inches and 0.578 inches |
Fastener Length | Between 2.016 inches and 2.063 inches |
Head Style | Pan |
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 8630 or steel comp 4037 |
Screw Material Specification | Mil-s-6050 military specification 1st material response or ams 6300 assn standard 2nd 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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