screws › machine screws
MS21090-0624
Military Standard Machine Screw
Description
Fastener Length: 1/2", Thread: 6-32, Thread Length: 1/2
Specifications
| Departure From Cited Designator | As modified by self-locking feature and material |
|---|---|
| Fastener Length | 0.469 inches minimum and 0.500 inches maximum |
| Head Diameter | 0.256 inches minimum and 0.270 inches maximum |
| Head Height | 0.087 inches minimum and 0.097 inches maximum |
| Head Style | Pan Head |
| Internal Drive Style | Cross recess type 1 |
| Length | 1/2 |
| Locking Feature | Pellet threads or strip threads |
| Material | Steel |
| Material Specification | 66 fed std single material response |
| Min. Tensile Strength (psi) | 60000 pounds per square inch |
| Nondefinitive Specification/Std Data | 3 type and 9c style |
| Surface Treatment | Cadmium and chromate |
| Surface Treatment Specification | Qq-p-416,ty 2,cl 3 fed spec single treatment response |
| Thread Class | 2a |
| Thread Diameter | 0.138 |
| Thread Direction | Right-hand |
| Thread Length | 0.407 inches minimum and 0.500 inches maximum |
| Thread Qty | 32 |
| Thread Qty Per Inch (tpi) | 32 |
| Thread Series Designator | UNC |
| Thread Size | 6 |
Cross-reference
Similar parts
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- AN515B6-8 AN #6-32 · 1/2 in · Pan Head
- NAS1100-06-8 NAS #6-32 · 1/2 in · Pan Head · Steel
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- MS51957-30B MS #6-32 · 1/2 in · Pan Head · CRES
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Catalog data updated 2026-07-05. Report a data error