GOST 13439-68 Conical Washers
GOST 13439-68 · Washers
This is an informational translation of a Russian national standard. The Russian original is authoritative.
Conical washers for machine fixtures. Design and dimensions must conform to those specified in the drawing and table.
| Washer designation | Application | For shaft diameter | D | D₁ | d | b | Weight, kg |
|---|---|---|---|---|---|---|---|
| 7019-0411 | 6 | 12 | 11 | 7 | 2.8 | 0.002 | |
| 0412 | 8 | 17 | 16 | 10 | 3.5 | 0.004 | |
| 0413 | 10 | 21 | 20 | 12 | 4.2 | 0.007 | |
| 0414 | 12 | 24 | 22 | 15 | 5.0 | 0.010 | |
| 0415 | 16 | 30 | 28 | 19 | 6.2 | 0.019 | |
| 0416 | 20 | 36 | 33 | 24 | 7.5 | 0.026 | |
| 0417 | 24 | 44 | 41 | 28 | 9.5 | 0.056 | |
| 0418 | 30 | 56 | 52 | 35 | 12.0 | 0.126 | |
| 0419 | 36 | 68 | 64 | 42 | 15.0 | 0.222 | |
| 0420 | 42 | 78 | 74 | 48 | 18.0 | 0.365 | |
| 7019-0421 | 48 | 92 | 85 | 56 | 22.0 | 0.641 |
Example designation of a conical washer for a shaft diameter of 6 mm:
Washer 7019-0411 GOST 13439-68
Material - steel grade 45 per GOST 1050-74. Substitution with other steel grades with mechanical properties not lower than those of steel grade 45 is permitted.
Hardness - HRC 40+45.
Unspecified dimensional tolerances: holes - H14, shafts - h14, others - +-t₂/2.
Coating - Chem. Ox. prm (coating designation per GOST 9.073-77). By agreement of the parties, other types of protective coatings may be applied.
Mark per GOST 18160-72.
Correspond to DIN 6796.
Estimate for the “GOST 13439-68” category
Send a specification or specify volumes — we will prepare a commercial proposal with timelines and payment terms within one business day.