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MS21090-0413
Military Standard Machine Screw
Description
Fastener Length: 3/8", Thread: 4-40, Thread Length: 7/16
Specifications
| Departure From Cited Document | N6ne |
|---|---|
| Fastener Length | 0.437 |
| Head Diameter | Between 0.205 inches and 0.219 inches |
| Head Height | Between 0.070 inches and 0.080 inches |
| Head Style | Pan Head |
| Internal Drive Style | Cross recess type 1 |
| Length | 3/8 |
| Locking Feature | Strip threads |
| Material | Steel |
| Material Specification | 66 federal standard single material response |
| Surface Treatment | Cadmium and chromate |
| Thread Class | 2a |
| Thread Diameter | 0.112 |
| Thread Direction | Right-hand |
| Thread Length | 0.467 |
| Thread Qty | 40 |
| Thread Qty Per Inch (tpi) | 40 |
| Thread Series | UNC |
| Thread Series Designator | Unc (coarse thread) |
| Thread Size | 4 |
Cross-reference
No interchangeable or dimensionally similar parts are on record for MS21090-0413. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error