Washers are ordered by the part number followed by a letter to denote their size.
| Part Number | Thickness | Material |
|---|
| SP10 | 26 SWG (0.018”) | Cadmium Plated Steel |
| SP11 | Stainless Steel |
| SP13 | 18 SWG (0.048”) | Cadmium Plated Steel |
| SP14 | Stainless Steel |
| SP15 | Alum. Alloy |
| SP16 | 12 SWG (0.104”) |
| Size Code | Suits Thread |
|---|
| A | 6 BA |
| B | 4 BA |
| C | 2 BA |
| E | 1/4” BSF |
| G | 5/16” BSF |
| J | 3/8” BSF |
| L | 7/16” BSF |
| N | 1/2” BSF |
| P | 9/16” BSF |
| Q | 5/8” BSF |
| S | 3/4” BSF |
| U | 7/8” BSF |
| W | 1” BSF |
| Part Number | Description | Stock | Price | |
| SP16-W | LIGHT ALLOY WASHERS | 66 | £0.3075 | |
| SP16-S | WASHER | 168 | £0.3075 | |
| SP16-Q | WASHER | 16 | £0.205 | |
| SP16-P | WASHER | 35 | POA | |
| SP16-N | WASHER | 477 | £0.1538 | |
| SP16-L | WASHER | 214 | £0.1538 | |
| SP16-J | WASHER | 2,021 | £0.1025 | |
| SP16-G | WASHER | 160 | £0.082 | |
| SP16-E | WASHER | 6,545 | £0.082 | |
| SP16-C | WASHER | 775 | £0.0615 | |
| SP16-B | WASHER | 0 | £0.0513 | |
| SP16-A | WASHER | 6,006 | £0.041 | |
| SP15-W | LIGHT ALLOY WASHERS | 195 | £0.3588 | |
| SP15-U | WASHER | 147 | £0.5125 | |
| SP15-S | WASHER | 964 | £0.3075 | |
| SP15-Q | WASHER | 160 | £0.205 | |
| SP15-P | WASHER | 129 | £0.1743 | |
| SP15-N | WASHER | 2,158 | £0.1845 | |
| SP15-L | WASHER | 472 | £0.1435 | |
| SP15-J | WASHER | 857 | £0.1025 | |
| SP15-G | WASHER | 0 | £0.1025 | |
| SP15-E | WASHER | 102 | £0.1025 | |
| SP15-C | WASHER | 292 | £0.082 | |
| SP15-B | WASHER | 7,732 | £0.0513 | |
| SP15-A | WASHER | 4,532 | £0.0513 | |
| SP14-W | WASHER | 16 | POA | |
| SP14-Q | WASHER | 0 | £0.3075 | |
| SP14-P | WASHERS | 45 | £0.2563 | |
| SP14-N | WASHER | 0 | £0.205 | |
| SP14-L | WASHERS | 278 | £0.164 | |
| SP14-J | WASHER | 65 | £0.1538 | |
| SP14-G | WASHER | 3,042 | £0.082 | |
| SP14-E | WASHER | 0 | £0.0666 | |
| SP14-C | WASHER | 0 | £0.0615 | |
| SP14-B | WASHER | 5,100 | £0.1025 | |
| SP14-A | WASHER | 0 | £0.041 | |
| SP13-W | WASHER | 61 | £0.3588 | |
| SP13-U | WASHER | 381 | £0.3588 | |
| SP13-S | WASHER | 1,859 | £0.3075 | |
| SP13-Q | WASHER | 0 | £0.205 | |
| SP13-P | WASHER | 133 | £0.2563 | |
| SP13-N | WASHER | 1,752 | £0.1538 | |
| SP13-L | OFFER SP122/L | 15 | £0.205 | |
| SP13-J | WASHER | 506 | £0.123 | |
| SP13-G | WASHER | 12 | £0.082 | |
| SP13-E | WASHER | 471 | £0.082 | |
| SP13-C | WASHER | 7,136 | £0.085 | |
| SP13-B | *WASHER | 9,174 | £0.082 | |
| SP13-A | WASHER | 9,353 | £0.082 | |
| SP11-U | WASHER | 7 | £1.03 | |
