GSG GSG-CP-0.4595C 0.4595 in Class XX Go Plug Gage
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This is a new GSG (Gage Site Group) cylindrical plug gage, part number GSG-CP-0.4595C, a Class XX GO member with a nominal diameter of 0.4595 inches. Class XX is the highest precision tolerance class defined by ASME B89.1.5, used exclusively as a master or setting gage — not for routine production inspection — with tolerance of ±0.000020 in. The gage body is manufactured from hardened, stabilized tool steel or chrome steel with a mirror-polished OD, providing exceptional wear resistance and a surface finish suitable for Class XX applications. It is a cylindrical (coin/pin) style plug gage designed to verify that a bore is at or above the minimum allowable size (GO function), confirming fit before a mating shaft or fastener is assembled. This gage ships new in its original protective tube and is suitable for use in quality laboratories, gage rooms, and metrology applications requiring traceable, high-precision dimensional verification.
Product Specifications
| Part Number | GSG-CP-0.4595C |
| Brand | GSG (Gage Site Group) |
| Gage Type | GO Plug Gage |
| Nominal Diameter | 0.4595 in |
| Tolerance Class | Class XX |
| Gage Function | GO (minimum bore limit check) |
| Standard | ASME B89.1.5 |
| Class XX Diameter Tolerance | ±0.000020 in |
| Style | Cylindrical Pin (coin) type |
| Material | Hardened tool steel, mirror-polished OD |
| Condition | New |