| PART NUMBER | A | B | C | D | E |
| DIAMETER AND THREAD | |||||
| N-1801B-250X03 | 1/4"-20 | 7/8" | 1-1/4" | 3" | 5/8" |
| N-1801B-312X03 | 5/16"-18 | 7/8" | 1-1/4" | 3" | 5/8" |
| N-1801B-375X03 | 3/8"-16 | 7/8" | 1-1/4" | 3" | 5/8" |
| N-1801B-437X03 | 7/16"-14 | 7/8" | 1-1/4" | 3" | 5/8" |
| N-1801B-500X04 | 1/2"-13 | 1" | 1-3/8" | 4" | 3/4" |
| N-1801B-500X05 | 1/2"-13 | 1-1/4" | 1-3/4" | 5" | 1" |
| N-1801B-562X04 | 9/16"-12 | 1" | 1-3/8" | 4" | 3/4" |
| N-1801B-562X05 | 9/16"-12 | 1-1/4" | 1-3/4" | 5" | 1" |
| N-1801B-625X05 | 5/8"-11 | 1-1/4" | 1-3/4" | 5" | 1" |
| N-1801B-625X06 | 5/8"-11 | 1-3/8" | 2-1/8" | 6" | 1-1/8" |
| N-1801B-687X05 | 11/16"-11 | 1-1/4" | 1-3/4" | 5" | 1" |
| N-1801B-687X06 | 11/16"-11 | 1-3/8" | 2-1/8" | 6" | 1-1/8" |
| N-1801B-750X06 | 3/4"-10 | 1-3/8" | 2-1/8" | 6" | 1-1/8" |
| N-1801B-750X08 | 3/4"-10 | 2" | 2-1/4" | 8" | 1" |
| N-1801B-875X06 | 7/8"-9 | 1-3/8" | 2-1/8" | 6" | 1-1/8" |
| N-1801B-875X08 | 7/8"-9 | 2" | 2-1/4" | 8" | 1" |
| N-1801B-875X10 | 7/8"-9 | 2" | 3-1/4" | 10" | 1-1/4" |
| N-1801B-1000X10 | 1"-8 | 2" | 3-1/4" | 10" | 1-1/4" |
| N-1801B-1125X10 | 1-1/8"-7 | 3" | 3-1/2" | 10" | 2" |
| N-1801B-1250X10 | 1-1/4"-7 | 3" | 3-1/2" | 10" | 2" |
| N-1801B-1375X10 | 1-3/8"-6 | 3" | 3-1/2" | 10" | 2" |
| N-1801B-1500X10 | 1-1/2"-6 | 3" | 3-1/2" | 10" | 2" |
| N-1801B-1625X10 | 1-5/8"-5-1/2 | 3" | 3-1/2" | 10" | 2" |
| N-1801B-1750X10 | 1-3/4"-5 | 3" | 3-1/2" | 10" | 2" |
| N-1801B-2000X10 | 2"-4-1/2 | 3" | 3-1/2" | 10" | 2" |