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DIN EN 28738 Standard Dimensions for Flat washers for clevis pins

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Technical History and International Equivalents of DIN EN 28738

Equivalent standards: BS EN 28738

This standard (DIN EN 28738) specifies the characteristics of plain washers for clevis pins according to ISO 2340 and ISO 2341. Plain washers in accordance with this international standard shall be used on the cotter pin end only.

Dimensional Drawing and Technical Diagrams

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Key Dimensions and Technical Parameters

Diensions in - source DIN EN 28738

Publication date: 10-1992 Replaces DIN 1440 07-1974
d nominal size d1 min=nom d2 max=nom h nom ≈ weight in Kg x 1000 pcs (ρ=7,85 kg/dm3)
3 3 6 0.8 0,013
4 4 8 0.8 0,23
5 5 10 1 0,26
6 6 12 1.6 1,05
8 8 15 2 1,98
10 10 18 2.5 3,45
12 12 20 3 4,74
14 14 22 3 5,33
12 16 24 3 5,92
18 18 28 4 11,3
20 20 30 4 12,3
22 22 34 4 16,6
24 24 37 4 19,6
27 27 39 5 24,4
30 30 44 5 31,9
33 33 47 5 34,5
36 36 50 6 44,5
40 40 56 6 56,8
45 45 60 6 58,3
50 50 66 8 91,5
55 55 72 8 106
60 60 78 10 153
70 70 92 10 220
80 80 98 12 237
90 90 110 12 296
100 100 120 12 326

Reproduced by permission of DIN Deutsches Institut für Normung e. V. The definitive version for the implementation of this standard is the edition bearing the most recent date of issue, obtainable from Beuth Verlag GmbH, Burggrafenstraße 6, 10787 Berlin, Germany.
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