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Heyco® Nylon Locknuts NPT Thread
NPT Thread-Straight NPS Threads for use with NPT Threaded Fittings
| THREAD TYPE AND SIZE | PART NO. BULK | PART NO. 100 PACK | DESCRIPTION | PART DIMENSIONS | CAD | |||||
|---|---|---|---|---|---|---|---|---|---|---|
| Black | Gray | Black | Gray | A Thickness | B Wrenching Flats | |||||
| in. | mm. | in. | mm. | |||||||
| 1/4 NPT | M9142 | M9143 | 3269 | 3270 | NLN 1/4 NPT | .265 | 6,7 | .748 | 19,0 |  |
| 3/8 NPT | 8461 | 8462 | 3271 | 3272 | NLN 3/8 NPT | .265 | 6,7 | 1.058 | 26,9 | |
| 1/2 NPT | 8463 | 8464 | 3273 | 3274 | NLN 1/2 NPT | .265 | 6,7 | 1.058 | 26,9 | |
| 3/4 NPT | 8465 | 8466 | 3275 | 3276 | NLN 3/4 NPT | .265 | 6,7 | 1.295 | 32,9 | |
| 1 NPT | 8467 | 8468 | 3277 | 3278 | NLN 1 NPT | .265 | 6,7 | 1.605 | 40,8 | |
| 1-1/4 NPT | M9144 | M9145 | 3279* | - | NLN 1-1/4 NPT | .281 | 7,1 | 1.968 | 50,0 | |
| 1-1/2 NPT | M9150 | M9151 | - | - | NLN 1-1/2 NPT | .320 | 8,1 | 2.735 | 69,5 | |
| 2 NPT | M9156 | M9157 | - | - | NLN 2 NPT | .375 | 9,5 | 2.835 | 72,0 | |
Flammability Rating94V-2 Standard-Consult Heyco for VO material
| Material | Nylon 6/6 |
|---|---|
| Temperature Range | -40°F (-40°C) to 221°F (105°C) |
