173640
173640 - Compression Spring | Outside Dia.: 12.4mm | Inside Dia.: 8.3mm | free length: 127mm
173640 - Compression Spring | Outside Dia.: 12.4mm | Inside Dia.: 8.3mm | free length: 127mm
183640 - Compression Spring | Outside Dia.: 13.1mm | Inside Dia.: 9mm | free length: 127mm
183732 - Compression Spring | Outside Dia.: 13.4mm | Inside Dia.: 8.7mm | free length: 101.6mm
193640 - Compression Spring | Outside Dia.: 14mm | Inside Dia.: 9.9mm | free length: 127mm
193732 - Compression Spring | Outside Dia.: 14.3mm | Inside Dia.: 9.6mm | free length: 101.6mm
203640 - Compression Spring | Outside Dia.: 14.7mm | Inside Dia.: 10.6mm | free length: 127mm
203732 - Compression Spring | Outside Dia.: 15.1mm | Inside Dia.: 10.4mm | free length: 101.6mm
203824 - Compression Spring | Outside Dia.: 14.6mm | Inside Dia.: 9.3mm | free length: 76.2mm
203828 - Compression Spring | Outside Dia.: 14.6mm | Inside Dia.: 9.3mm | free length: 88.9mm
213824 - Compression Spring | Outside Dia.: 15.4mm | Inside Dia.: 10.1mm | free length: 76.2mm
213828 - Compression Spring | Outside Dia.: 15.4mm | Inside Dia.: 10.1mm | free length: 88.9mm
223548 - Compression Spring | Outside Dia.: 16.5mm | Inside Dia.: 12.8mm | free length: 152.4mm
223640 - Compression Spring | Outside Dia.: 16.3mm | Inside Dia.: 12.2mm | free length: 127mm
223732 - Compression Spring | Outside Dia.: 16.6mm | Inside Dia.: 11.9mm | free length: 101.6mm
223824 - Compression Spring | Outside Dia.: 16.2mm | Inside Dia.: 10.9mm | free length: 76.2mm
223828 - Compression Spring | Outside Dia.: 16.2mm | Inside Dia.: 10.9mm | free length: 88.9mm
Compression | Extension | Spring Lengths

| Compression Springs | Extension Springs | |
| Working Length |
Its is not advisable to use more than 80% of the maximum possible deflection. |
We recommend a safe extended length for our springs |
| End Coils | Up to 0.5mm wire - closed only. Over 0.5mm wire - closed & ground |
Full loops are similar to outside diameter. Loop end positions may vary. |
| Tolerances | British Standard - BS 1726: Part1:Grade 2 |
British Standard - BS 1726: Part2:Grade 2 |
| Materials | Carbon Steel Wire / Music Wire - British Standard BS5216, Grade ND3. | |
| Winding | Springs are normally right wound, however this may vary. | |
| Finish | Springs are stress relieved at appropriate temperatures, and stock springs are supplied in a plain finish, lightly oiled. |
|