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MS35307-345
5/16-18X 3 1/4 MS35307 Military Hex Head Cap Screw Coarse Thred 300 Series Stainless Steel DFAR
Description
Hexagon Head Cap Screw
Specifications
| Diameter | 5/16 |
|---|---|
| Fastener Length | Between 3.156 inches and 3.250 inches |
| Features Provided | Finished head |
| Finish | Plain |
| Full Size | 5/16-18 x 3 1/4 |
| Head Height | Between 0.195 inches and 0.211 inches |
| Head Style | Hexagon Head |
| Head Type | Hex |
| Length | 3 1/4 |
| Material | CRES |
| Material Specification | 66 federal standard all material responses |
| MilspecPart | MS35307 |
| Min. Tensile Strength (psi) | 85000 pounds per square inch |
| Size | 5/16-18 |
| Surface Treatment | Passivate |
| Surface Treatment Specification | Qq-p-35 federal specification single treatment response |
| Thread Class | 2a |
| Thread Diameter | 0.312 |
| Thread Direction | Right-hand |
| Thread Length | Between 0.875 inches and 1.062 inches |
| Thread Qty Per Inch (tpi) | 18 |
| Thread Series | UNC |
| Thread Series Designator | Unc (coarse thread) |
| Thread Type | UNC |
| Threads Per Inch | 18 |
| U.O.M. | Imperial |
| Width Between Flats | Between 0.489 inches and 0.500 inches |
Cross-reference
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Catalog data updated 2026-07-05. Report a data error