Description
Straight Index Plungers
Straight Index Plungers have an entirely cylindrical plunger with a slight radius at the tip, used together with a straight bushing. A straight plunger provides slightly greater positional accuracy. Rotary-cam action completely retracts the plunger when the handle is rotated 180. Cam surfaces are hardened steel. Made in USA.
The flange-mount configuration provides orientation by fastening the flange with two socket-head cap screws. Flange mounting is designed for installations where a cross hole for a whistle-notch set screw is not practical.
Installation
Index plungers are manufactured with precision working tolerances and are designed for very light interference-fit installations to avoid binding of the mechanism.
Material
| Item | Material | Heat Treat | Finish | DFARS | RoHS |
| Body,Plunger and Cam | 1144 Steel | Heat Treated Rc 50-55 | – | Yes | Yes |
| Center Shaft | 1144 Steel | – | – | Yes | Yes |
| Spring | Music Wire | – | – | Yes | Yes |
| Ball Knob | Black phenolic plastic with molded-in brass insert | – | – | Yes | Yes |
| Bushing | 1144 Steel | Heat Treated | – | Yes | Yes |
Parts Specification
| Plunger Diameter | A Diameter Nominal (inch) | A Diameter Actual (inch) | C (inch) | K (inch) | M Diameter (inch) |
| 1/2 | 3/4″ | 0.7518/0.7515 (Ground)” | 1/2″ | 1/8″ | 1-5/16″ |
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