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MS35218-13
Military Standard Machine Screw
Description
Fastener Length: 9/32", Thread: 4-40, Thread Length: 17/64
Specifications
| Fastener Length | Between 0.281 inches and 0.312 inches |
|---|---|
| Finish | Anodize |
| Head Diameter | Between 0.205 inches and 0.219 inches |
| Head Height | Between 0.07 inches and 0.08 inches |
| Head Style | Phillips Pan Head |
| Internal Drive Style | Cross recess type 1 |
| Length | 5/16 |
| Material | Aluminum |
| Min. Tensile Strength (psi) | 62000 pounds per square inch |
| Screw Material | Aluminum alloy 2024 |
| Screw Material Specification | Qq-a-225/6 federal specification single material response |
| Screw Surface Treatment | Anodize |
| Screw Surface Treatment Specification | Mil-a-8625 military specification single treatment response |
| Size | 4-40 |
| Thread Class | 2a |
| Thread Diameter | 0.112 |
| Thread Direction | Right-hand |
| Thread Length | Between 0.262 inches and 0.312 inches |
| Thread Qty | 40 |
| Thread Qty Per Inch (tpi) | 40 |
| Thread Series | UNC |
| Thread Series Designator | Unc (coarse thread) |
| Thread Size | 4 |
| Thread Type | N.C. - Coarse |
Cross-reference
Similar parts
Parts with matching key dimensions — often from a different standards family. Candidates for comparison only; verify the full specification before substituting.
- MS35206-214 MS #4-40 · 5/16 in · Phillips Pan Head · Steel
- MS35214-13 MS #4-40 · 5/16 in · Phillips Pan Head · Brass
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Catalog data updated 2026-07-05. Report a data error