screws › socket head cap screws
MS21093-0203
Military Standard Screwlock
Description
Fastener Length: 5/16", Thread: 2-56, Thread Length: 17/64"
Specifications
| Countersink Angle | 99.0 degrees minimum and 101.0 degrees maximum |
|---|---|
| Fastener Length | 0.281 inches minimum and 0.312 inches maximum |
| Head Diameter | 0.150 inches minimum and 0.182 inches maximum |
| Head Style | Flat countersunk |
| Internal Drive Style | Cross recess type 1 |
| Length | 5/16 |
| Locking Feature | Patch or pellet or strip |
| Min. Tensile Strength (psi) | 60000 pounds per square inch |
| Thread Class | 2a |
| Thread Diameter | 0.086 |
| Thread Length | 0.202 inches minimum and 0.280 inches maximum |
| Thread Qty | 56 |
| Thread Qty Per Inch (tpi) | 56 |
| Thread Series Designator | UNC |
| Thread Size | 2 |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
- MS21093-0203
- MS21093-0204
- MS21093-0413
Cross-reference
No interchangeable or dimensionally similar parts are on record for MS21093-0203. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error