| Subgroup Name | Actions |
|---|---|
| Screws | |
| Bolts | |
| Studs | |
| Nuts And Washers | |
| Nails, Machine Keys, And Pins | |
| Rivets | |
| Fastening Devices | |
| Packing And Gasket Materials | |
| O Ring | |
| Metal Screening | |
| Hardware, Commercial | |
| Brackets | |
| Hardware, Weapon System | |
| Disks And Stones, Abrasive | |
| Abrasive Materials | |
| Knobs And Pointers | |
| Coil, Flat, Leaf, And Wire Springs | |
| Bushings, Rings, Shims, And Spacers |
