Stainless Steel 150LB Hex Back Nut
Stainless steel 150LB hex back nut for threaded pipe fitting systems, used as a locking nut or backing nut on threaded connections.
Product Details
| Item | Specification |
|---|---|
| Product Type | Stainless Steel 150LB Hex Back Nut |
| Connection | Female threaded hex back nut |
| Pressure Rating | 150LB |
| Thread Standard | ASME B1.20.1 (NPT), DIN 2999, BS21, ISO 228/1, ISO 7/1 |
| Dimension Standard | ISO 4144, EN-10241, SP114, JIS |
| Material | ASTM A351-CF8M / 1.4408, ASTM A351-CF8 / 1.4401, ASTM A216-WCB, AISI 304, 304L, 316, 316L, 301, 430 |
Dimension Drawing

ISO 4144 Dimensions (mm)
| Dimension | 1/8 | 1/4 | 3/8 | 1/2 | 3/4 | 1 | 1 1/4 | 1 1/2 | 2 | 2 1/2 | 3 | 4 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| L | 7 | 7 | 7.8 | 8 | 11 | 12 | 12.9 | 14.6 | 15 | 17 | 20.7 | 24 |
| H | 19 | 19 | 24 | 30 | 37.7 | 42 | 52 | 60 | 72 | 88 | 98.3 | 125 |
EN-10241 Dimensions (mm)
| Dimension | 1/8 | 1/4 | 3/8 | 1/2 | 3/4 | 1 | 1 1/4 | 1 1/2 | 2 | 2 1/2 | 3 | 4 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| L | 6 | 7 | 8 | 10 | 11 | 10 | 11 | 12 | 13 | 15 | 17 | 20 |
| H | 14 | 23 | 26 | 31 | 37 | 46 | 55 | 63 | 76 | 92 | 109 | 132 |
