inserts › screw thread inserts
MS51830-201
Military Standard Screw Thread Insert
Description
Screw Thread Insert
Specifications
| Alternate Item Number | NAS1394 |
|---|---|
| Alternate Part Number | NAS1394 KN1032J |
| External Thread Size | 0.3125-18 |
| Features | Key Locked |
| Full Internal Thread Length | 0.242 |
| Industry Standards/Certification | MS51830 |
| Insert Size | 5/16-18 |
| Internal Thread Relief Depth | 0.070 |
| Internal Thread Size | 0.190-32 |
| Length | 0.312 |
| Locking Tabs | 2 |
| Material | CRES |
| Material Specification | Cond b military specification single material response mil-s-7720 |
| NIIN | 00-113-1919 |
| NSN | 5325-00-113-1919 |
| Style Designator | Grooved keylock |
| Surface Treatment | Passivate |
| Thread Class | 2a |
| Thread Direction | Right-hand |
| Thread Length | 0.242 |
| Thread Qty Per Inch (tpi) | 18 |
| Thread Series | UNC |
| Thread Series Designator | Unc (coarse thread) |
| Thread Size | 0.312 |
| Weight | 0.0027 lb |
Cross-reference
No interchangeable or dimensionally similar parts are on record for MS51830-201. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error