Standard Spring Plungers - Steel with Standard End Force
JBF National’s steel spring plungers make sure that all of your alignment and attachment needs are carried out with the utmost precision. This plunger features a hexagonal key for easy installation, and a stainless steel construction for maximum corrosion resistance. Steel and black nylon plunger ends come standard on this model. Except for thread sizes 4-48 through 8-36, an optional nylon threading patch is available. Spring plungers are utilized across of wide variety of industries and products, including woodworking, medical and military applications. Contact a JBF National sales engineer today for further information. Add "P" to part number for nylon patch. Please see component diagram below.
| JBF P/N - Steel Nose | JBF P/N - Black Nylon Nose | Thread (A) | Body Length (B) | Nose Length (C) | Nose Dia (D) | Start End Force (lbs) | End End Force (lbs) |
|---|---|---|---|---|---|---|---|
| 1SPLE-1131-BL | - | 6-32 | 3/8 | 1/16 | 0.045 | 1.0 | 1.6 |
| 1SPLE-1132-BL | - | 6-32 | 17/32 | 1/16 | 0.045 | 1.5 | 4.5 |
| 1SPLE-1133-BL | 1SPLE-1133-BN | 8-32 | 5/8 | 3/32 | 0.069 | 2.7 | 7.3 |
| 1SPLE-1134-BL | 1SPLE-1134-BN | 10-32 | 3/4 | 1/8 | 0.092 | 2.9 | 11.1 |
| 1SPLE-1135-BL | - | 1/4-20 | 3/4 | 1/8 | 0.118 | 2.0 | 9.0 |
| 1SPLE-1136-BL | 1SPLE-1136-BN | 1/4-20 | 1 | 3/16 | 0.118 | 3.0 | 13 |
| 1SPLE-1137-BL | 1SPLE-1137-BN | 1/4-20 | 1 | 3/16 | 0.118 | 3.0 | 13 |
| 1SPLE-1138-BL | 1SPLE-1138-BN | 5/16-18 | 1 | 3/16 | 0.134 | 3.0 | 15 |
| 1SPLE-1139-BL | 1SPLE-1139-BN | 3/8-16 | 1-1/8 | 3/16 | 0.186 | 5.5 | 14.5 |
| 1SPLE-1140-BL | 1SPLE-1140-BN | 1/2-13 | 1-1/4 | 1/4 | 0.248 | 6.6 | 17.4 |
| 1SPLE-1141-BL | 1SPLE-1141-BN | 5/8-11 | 1-1/2 | 5/16 | 0.311 | 10.5 | 25.5 |
| 1SPLE-1142-BL | - | 3/4-10 | 1-3/4 | 5/16 | 0.373 | 6.7 | 37.3 |
| 1SPLE-1143-BL | - | 1-8 | 2-13/32 | 1/2 | 0.498 | 16 | 68 |