| 411 / | HD | EXPANDED, THREADED, DRIVEN, HEADED, TOOL-DEFORMED, OR LOCKED-THREADED FASTENER |
| 81 | DF | THREADED FASTENER LOCKED TO A DISCREET STRUCTURE (E.G., PLATE, RAIL, WHEEL) {13} |
| 103 | DF | .~ Multipart nut assembly with one member attached to structure or substructure {8} |
| 107 | ![]() | .~.~ Member anchors bolt in substructure with threaded portion exposed (e.g., stud bolt) |