inserts › screw thread inserts
MS21209F4-30L
Military Standard Screw Thread Insert
Description
Thread Size: 1/4", dry film lubricant, MS21209 series insert
Specifications
| Insert Size | 0.306 in. min 0.326 in. max free od |
|---|---|
| Length | 0.75 |
| Special Features | Coated with dry film lubricant mil-l-8937 |
| Style Designator | Coil |
| Thread Class | 3b |
| Thread Qty | 28 |
| Thread Qty Per Inch (tpi) | 28 |
| Thread Series | UNF |
| Thread Series Designator | Unf (fine thread) |
| Thread Size | 0.25 |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
Cross-reference
No interchangeable or dimensionally similar parts are on record for MS21209F4-30L. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error