| Partial P/N | Thread Specifications |
|---|---|
| AN3 | .1900-32 UNF-3A |
| AN4 | .2500-28 UNF-3A |
| AN5 | .3125-24 UNF-3A |
| AN6 | .3750-24 UNF-3A |
| AN7 | .4375-20 UNF-3A |
| AN8 | .5000-20 UNF-3A |
| AN9 | .5625-18 UNF-3A |
| AN10 | .6250-18 UNF-3A |
| AN12 | .7500-16 UNF-3A |
| AN14 | .8750-14 UNF-3A |
| AN16 | 1.0000-12 NF-3A |
| AN17 | 1.0000-12 UNF-3A |
| AN18 | 1.1250-12 UNF-3A |
| AN20 | 1.2500-12 UNF-3A |
Note: The AN16 Series of Aircraft Bolts is inactive for design as of June 15th 1966.
