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MS51831-204L
0.375 Inch Length MS51831 Key Locked Insert
Description
0.375 Inch Length MS51831 Key Locked Insert
Specifications
| Alternate Item Number | NAS1395 |
|---|---|
| Alternate Part Number | NAS1395 |
| External Thread Size | 0.5625-12 |
| Features | Heavy-Duty |
| Features Provided | Individually keyed |
| Full Internal Thread Length | Between 0.405 inches and 0.455 inches |
| Industry Standards/Certification | MS51831 |
| Insert Size | 0.5625-12 unc (coarse thread) 2a |
| Internal Thread Relief Depth | Between 0.060 inches and 0.080 inches |
| Internal Thread Size | 0.3750-24 |
| Length | 0.500 in, Between 0.485 inches and 0.515 inches |
| Locking Tabs | 4 |
| Material | CRES |
| Material Specification | Fed standard 66 federal standard single material response |
| Special Features | Has internal thread lock |
| Style Designator | Grooved keylock |
| Surface Treatment | Passivate |
| Surface Treatment Specification | Qq-p-35 federal specification single treatment response |
| Thread Class | 3b |
| Thread Direction | Right-hand |
| Thread Length | 0.399 |
| Thread Qty | 24 |
| Thread Qty Per Inch (tpi) | 24 |
| Thread Series | UNJF |
| Thread Series Designator | Unjf (fine thread with external controlled root radius) |
| Thread Size | 0.375 |
| Thread Type | Internal Thread Lock |
| Weight | .005 lb |
Cross-reference
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Catalog data updated 2026-07-05. Report a data error