NationalStockNumber.INFO
Worldwide distributor of NSN parts and consumables located in the USA.
Worldwide distributor of NSN parts and consumables located in the USA.
Cadmium plated carbon steel, length: 1/4\", thread: 4-40, 100° , countersunk, flat head, machine screw
| National Stock Number (NSN) | 5305-00-081-6668 |
| Alternate Part Number | N/A |
| Federal Supply Class (FSC) | 5305 |
| Unit of Measure (UOM) | 100 /Ea. |
| Thread Class | 2a |
| Thread Direction | Right-hand |
| Thread Length | Between 0.200 inches and 0.250 inches |
| Fastener Length | Between 0.219 inches and 0.250 inches |
| Head Style | Flat countersunk |
| Head Diameter | Between 0.191 inches and 0.225 inches |
| Internal Drive Style | Cross recess type 1 |
| Thread Diameter | 0.112 inches |
| Thready Qty Per Inch (tpi) | 40 |
| Min. Tensile Strength (psi) | 55000 pounds per square inch |
| Countersink Angle | Between 99.0 degrees and 101.0 degrees |
| Screw Material | Steel comp 1010 or steel |
| Screw Material Specification | Qq-s-630 federal specification 1st material response or qq-s-631 federal specification 1st material response or qq-s-634 federal specification 1st material response |
| Screw Surface Treatment Specification | Qq-p-416 type 2 cl 3 federal specification single treatment response |
| Thread Series Designator | Unc |
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