Cap
40 – Series
| Code No. | Size | Pack |
| 40-03 | 3/16 | 100 |
| 40-04 | 1/4 | 100 |
| 40-05 | 5/16 | 100 |
| 40-06 | 3/8 | 100 |
| 40-08 | 1/2 | 100 |
| 40-10 | 5/8 | 100 |
| 40-12 | 3/4 | 50 |
Also known as: S.A.E. 45 Degree Flare, Sealing Cap Nut, Tapa Flared
Cross References: 56 Series, 640FB Series, 640F Series, 40 Series
