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MS90353S0508
Military Standard Fastener
Description
Fastener part number MS90353S0508
Specifications
| Countersink Angle | 99.0 degrees minimum and 101.0 degrees maximum |
|---|---|
| Expansion Device | Serrated stem-type w |
| Fastener Length | 0.655 inches maximum |
| Grip Length | 0.469 inches minimum and 0.532 inches maximum |
| Hardness Rating | 48.0 rockwell c minimum and 53.0 rockwell c maximum stem, 48.0 rockwell c minimum stem and 53.0 rockwell c maximum stem |
| Head Major Diameter | 0.333 inches maximum |
| Head Style | Flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) |
| Material | Steel |
| Material Specification | 66 fed std all material responses or astm a547 assn std 2nd material response or mil0s06758 mil spec 3rd material response sleeve, 66 fed std all material responses sleeve or astm a547 assn std 2nd material response sleeve or mil0s06758 mil spec 3rd material response sleeve, Astm a547 assn std single material response or mil-s-6049 mil spec single material response stem, Astm a547 assn std single material response stem or mil-s-6049 mil spec single material response stem |
| Min. Tensile Strength (psi) | 112000 pounds per square inch |
| Shank Diameter | 0.163 inches minimum and 0.164 inches maximum |
| Shank Style | Self-plugging mechanically locked stem |
| Shear Strength | 2340 single pounds per square inch |
| Surface Treatment | Anodize or chromate |
| Surface Treatment Specification | Qq-p-416,ty 1,cl 3 fed spec single treatment response stem, Qq-p-416,ty 2,cl 2 fed spec single treatment response sleeve |
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.
- MS90353U0508 MS 21/32 in · Flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) · Steel
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Catalog data updated 2026-07-05. Report a data error