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Heyco® Stamped Steel and Zinc Die-cast Locknuts NPT Thread

NPT Thread—Straight NPS Threads for use with NPT Threaded Fittings

  • Part Numbers and Specifications
  • Features
THREAD TYPE
AND SIZE
STAMPED STEEL CAD EXTRUDED** ZINC DIE_CAST CAD
PART NO. DESCRIPTION PART NO. DESCRIPTION PART NO. DESCRIPTION
1/4 NPT 2238 LN 1/4*   - - - -  
3/8 NPT 2242 LN 3/8*   - - - -  
1/2 NPT 2250 LN 1/2 CAD 2250EX LN 1/2 EXT 9800 LN 1/2 DC CAD
3/4 NPT 2251 LN 3/4 CAD 2251EX LN 3/4 EXT 9801 LN 3/4 DC CAD
1 NPT 2252 LN 1 CAD 2252EX LN 1 EXT 9802 LN 1 DC CAD
1-1/4 NPT 9806 LN 1-1/4   - - 9803 LN 1-1/4 DC  
1-1/2 NPT 9807 LN 1-1/2   - - 9804 LN 1-1/2 DC  
2 NPT 9808 LN 2   - - 9805 LN 2 DC  
2-1/2 NPT 9809 LN 2-1/2   - - - -  
3 NPT 9810 LN 3   - - - -  

*Wrenching flats are not crenellated
**Features wider thread engagement area than standard Stamped Steel locknuts

  • DFARS Compliant
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