Part Number: 37CNNECP
Diameter/Pitch: 3/8"-16
Grade: Grade 8
Finish: Phosphate & Oil
Coarse / Fine Threads: Coarse
Wrench Size: 9/16"
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3/8"-16 Grade 8 Hex Nylon Insert Lock Nuts Phos & Oil
Part Number: 37CNNECP
Diameter/Pitch: 3/8"-16
Grade: Grade 8
Finish: Phosphate & Oil
Coarse / Fine Threads: Coarse
Wrench Size: 9/16"
Click Here for Tech Drawing

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| Diameter Pitch | 3/8"-16 |
| Finish | Phosphate & Oil |
| Thread Class | 2B |
| Width Across Flats | 0.562" (9/16") |
| Major Diameter | 0.375" |
| Tensile Stress Area | 0.0775 sq in |
| Lock Type | Nylon Insert Lock Nuts |
| Locking Type | Nylon Insert (Prevailing Torque) |
| Grade | Grade 8 |
| Material | Medium carbon alloy steel, quenched and tempered |
| Threads Per Inch | 16 TPI |
| Width Across Corners | 0.650" max |
| Proof Load | 11,620 lbf |
| Hardness | Rockwell C33–C39 |
| Head Type | Hex |
| Inch Metric | Inch |
| Grade Material | Grade 8 |
| Coarse Fine Threads | Coarse |
| Wrench Size | 9/16" |
| Head Height | 21/64" |
| Proof Stress | 150,000 psi |
| Head Marking | J995 Grade 8 marking |
| Nominal Size | 3/8" |
| Max Temperature | 250°F (nylon insert limit) |
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