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Plain Washers - Product Grade A

NF E 25-514 - 1987

Display drawing:

 *Models with different eras.

Size
Φ1.6 Φ2 Φ2.5 Φ3 Φ4 Φ5 Φ6 Φ7 Φ8 Φ10
d max
min
dc Type Z max
min
Type M max
min
Type L max
min
h Nominal Size
max
min
1.84 2.34 2.84 3.38 4.48 5.48 6.62 7.62 8.62 10.77
1.7 2.2 2.7 3.2 4.3 5.3 6.4 7.4 8.4 10.5
3.5 4 5 6 8 10 12 14 16 20
3.2 3.7 4.7 5.7 7.64 9.64 11.57 13.57 15.57 19.48
5 5.5 7 8 10 12 14 16 18 22
4.7 5.2 6.64 7.64 9.64 11.57 13.57 15.57 17.57 21.48
6 7 10 12 14 16 18 20 22 27
5.7 6.64 9.64 11.57 13.57 15.57 17.57 19.48 21.48 26.48
0.5 0.5 0.5 0.8 0.8 1 1.2 1.5 1.5 2
0.57 0.57 0.57 0.87 0.87 1.07 1.27 1.57 1.57 2.12
0.43 0.43 0.43 0.73 0.73 0.93 1.13 1.43 1.43 1.88
Size
Φ12 Φ14 Φ16 Φ18 Φ20 Φ22 Φ24 Φ27 Φ30
d max
min
dc Type Z max
min
Type M max
min
Type L max
min
h Nominal Size
max
min
13.27 15.27 17.27 19.33 21.33 23.33 25.33 28.33 31.39
13 15 17 19 21 23 25 28 31
24 27 30 32 36 40 45 48 52
23.48 26.48 29.48 31.38 35.38 39.38 44.38 47.38 51.26
27 30 32 36 40 45 50 55 60
26.48 29.48 31.38 35.38 39.38 44.38 49.38 54.26 59.26
32 36 40 45 50 55 60 65 70
31.38 35.38 39.38 44.38 49.38 54.26 59.26 64.26 69.26
2.5 2.5 3 3 3 3 4 4 4
2.62 2.62 3.12 3.12 3.12 3.12 4.15 4.15 4.15
2.38 2.38 2.88 2.88 2.88 2.88 3.85 3.85 3.85

Alternative history

NF E 25-514 - 1987

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