American Thin Wall Internal Locking (303 SST)
| P/N | Description | |||||
| 77321 | Inside Thread #10 - 24 | Outside Thread 5/16 - 18 | Insert Length 0.31 | |||
| 77322 | Inside Thread 1/4 - 20 | Outside Thread 3/8 - 16 | Insert Length 0.37 | |||
| 77323 | Inside Thread 5/16 - 18 | Outside Thread 7/16 - 14 | Insert Length 0.43 | |||
| 77324 | Inside Thread 3/8 - 16 | Outside Thread 1/2 - 13 | Insert Length 0.5 | |||
| 77325 | Inside Thread 7/16 - 14 | Outside Thread 9/16 - 12 | Insert Length 0.56 | |||
| 77326 | Inside Thread 1/2 - 13 | Outside Thread 5/8 - 11 | Insert Length 0.62 | |||
| 77521 | Inside Thread #10 - 32 | Outside Thread 5/16 - 18 | Insert Length 0.31 | |||
| 77522 | Inside Thread 1/4 - 28 | Outside Thread 3/8 - 16 | Insert Length 0.37 | |||
| 77523 | Inside Thread 5/16 - 24 | Outside Thread 7/16 - 14 | Insert Length 0.43 | |||
| 77524 | Inside Thread 3/8 - 24 | Outside Thread 1/2 - 13 | Insert Length 0.5 | |||
| 77525 | Inside Thread 7/16 - 20 | Outside Thread 9/16 - 12 | Insert Length 0.56 | |||
| 77526 | Inside Thread 1/2 - 20 | Outside Thread 5/8 - 11 | Insert Length 0.62 | |||