B.89.809 Rev C
25
© Parker Hannifin, 2015
www.parker.com/hfde
ISO/NAS/SAE comparison chart
BS 5540/4
Defence Std. 05/42
NAS 1638
SAE 749
Table A
Table B
11/8
2
12/9
3
0
13/10
4
1
14/9
400F
14/11
5
2
15/9
400
15/10
800F
15/12
6
3
16/10
800
16/11
1,300F
16/13
7
4
17/11
1,300
2,000
17/14
8
5
18/12
2,000
18/13
4,400F
18/15
9
6
19/13
4,400
6,300F
19/16
10
20/13
6,300
20/17
11
21/14
15,000
21/18
12
22/15
21,000
23/17
100,000
The above comparisons relate to the particle count data only. To confirm to any particular standard, reference should be
made to the recommended experimental procedure.
Component cleanliness guidelines
Suggested and acceptable contamination levels for various hydraulic systems.
1
500
89
16
3
1
2
1,000
178
32
6
1
3
2,000
356
63
11
2
4
4,000
712
126
22
4
5
8,000
1,425
253
45
8
6
16,000
2,850
506
90
16
7
32,000
5,700
1,012
180
32
8
64,000
11,400
2,025
360
64
9
128,000
22,800
4,050
720
128
10
256,000
45,600
8,100
1,440
256
11
512,000
91,000
16,200
2,880
512
12 1,024,000
182,400
32,400
5,760
1,024
Содержание icountBS
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