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 | £0.30 | |
| SP16-S | WASHER | 168 | £0.30 | |
| SP16-Q | WASHER | 16 | £0.20 | |
| SP16-P | WASHER | 35 | POA | |
| SP16-N | WASHER | 477 | £0.15 | |
| SP16-L | WASHER | 214 | £0.15 | |
| SP16-J | WASHER | 2,021 | £0.10 | |
| SP16-G | WASHER | 48 | £0.08 | |
| SP16-E | WASHER | 6,545 | £0.08 | |
| SP16-C | WASHER | 55 | £0.06 | |
| SP16-B | WASHER | 0 | £0.05 | |
| SP16-A | WASHER | 6,006 | £0.04 | |
| SP15-W | LIGHT ALLOY WASHERS | 195 | £0.35 | |
| SP15-U | WASHER | 147 | £0.50 | |
| SP15-S | WASHER | 964 | £0.30 | |
| SP15-Q | WASHER | 160 | £0.20 | |
| SP15-P | WASHER | 129 | £0.17 | |
| SP15-N | WASHER | 2,158 | £0.18 | |
| SP15-L | WASHER | 472 | £0.14 | |
| SP15-J | WASHER | 932 | £0.10 | |
| SP15-G | WASHER | 0 | £0.10 | |
| SP15-E | WASHER | 302 | £0.10 | |
| SP15-C | WASHER | 350 | £0.08 | |
| SP15-B | WASHER | 7,752 | £0.05 | |
| SP15-A | WASHER | 4,532 | £0.05 | |
| SP14-W | WASHER | 16 | POA | |
| SP14-Q | WASHER | 35 | £0.30 | |
| SP14-P | WASHERS | 45 | £0.25 | |
| SP14-N | WASHER | 0 | £0.20 | |
| SP14-L | WASHERS | 0 | £0.16 | |
| SP14-J | WASHER | 67 | £0.15 | |
| SP14-G | WASHER | 2 | £0.08 | |
| SP14-E | WASHER | 0 | £0.065 | |
| SP14-C | WASHER | 0 | £0.06 | |
| SP14-B | WASHER | 200 | £0.10 | |
| SP14-A | WASHER | 0 | £0.04 | |
| SP13-W | WASHER | 61 | £0.35 | |
| SP13-U | WASHER | 381 | £0.35 | |
| SP13-S | WASHER | 1,859 | £0.30 | |
| SP13-Q | WASHER | 0 | £0.20 | |
| SP13-P | WASHER | 145 | £0.25 | |
| SP13-N | WASHER | 1,803 | £0.15 | |
| SP13-L | OFFER SP122/L | 39 | £0.20 | |
| SP13-J | WASHER | 836 | £0.12 | |
| SP13-G | WASHER | 32 | £0.08 | |
| SP13-E | WASHER | 204 | £0.08 | |
| SP13-C | WASHER | 8,742 | £0.08 | |
| SP13-B | *WASHER | 10,138 | £0.08 | |
| SP13-A | WASHER | 9,683 | £0.08 | |
| SP11-U | WASHER | 7 | £1.00 | |
