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254SMO防松垫圈

 

254 SMO® washers
254 SMO® is a high performance austenitic stainless steel (according to EN 1.4547) with greater mechanical strength and resistance against corrosion than most austenitic stainless steel grades. The material is resilient against pitting and crevice corrosion due to high contents of chromium, nickel, molybdenum and nitrogen. Nord-Lock 254 SMO® washers are especially designed for chloride rich processes and salt water solutions / atmospheres, i.e. environments where stainless steel washers made of EN 1.4404 are not suitable.
Nord-Lock washers made of 254 SMO® quality are standard stock items, yet subject to prior sale.
 
 

 
NORD-LOCK washers with enlarged outer diameter (sp) in combination with flanged nuts/bolts are recommended for use on large/long holes, painted surfaces or soft materials, e.g. aluminium.
 
 
 
 
Dimensions for 254 SMO® washers
 
Type
Inner Ø
d (mm)
Outer Ø
D (mm)
Thickness
T (mm)
Approx. weight
kg/100 pairs
Header 6
NL3ss-254
3,4
7,0
2,2
0,04
1155
NL3,5ss-254
3,9
7,6
2,2
0,04
1400
NL3,5spss-254
3,9
9,0
2,2
0,07
1653
NL4ss-254
4,4
7,6
2,2
0,04
1156
NL4spss-254
4,4
9,0
2,2
0,07
1157
NL5ss-254
5,4
9,0
2,2
0,06
1158
NL5spss-254
5,4
10,8
2,2
0,11
1401
NL6ss-254
6,5
10,8
2,2
0,09
1159
NL6spss-254
6,5
13,5
2,0
0,16
1160
NL1/4"-254
7,2
11,5
2,2
0,09
1161
NL1/4"spss-254
7,2
13,5
2,2
0,15
1162
NL8ss-254
8,7
13,5
2,0
0,12
1164
NL8spss-254
8,7
16,6
2,0
0,22
1165
NL3/8"ss-254
10,3
16,6
2,0
0,19
1166
NL3/8"spss-254
10,3
21,0
2,2
0,38
1402
NL10ss-254
10,7
16,6
2,0
0,18
1167
NL10spss-254
10,7
21,0
2,0
0,37
1168
NL11ss-254
11,4
18,5
2,0
0,26
1403
NL12ss-254
13,0
19,5
2,0
0,23
1169
NL12spss-254
13,0
25,4
3,0
0,82
1170
NL1/2"ss-254
13,5
19,5
2,2
0,23
1171
NL1/2"spss-254
13,5
25,4
3,0
0,80
1404
NL14ss-254
15,2
23,0
3,0
0,49
1172
NL14spss-254
15,2
30,7
3,0
1,31
1405
NL16ss-254
17,0
25,4
3,0
0,59
1173
NL16spss-254
17,0
30,7
3,2
1,13
1174
NL18ss-254
19,5
29,0
3,2
0,80
1406
NL18spss-254
19,5
34,5
3,0
1,56
1654
NL3/4"ss-254
20,0
30,7
3,2
0,96
1176
NL3/4"spss-254
20,0
39,0
3,2
2,14
1622
NL20ss-254
21,4
30,7
3,0
0,82
1177
NL20spss-254
21,4
39,0
3,2
1,98
1510
NL22ss-254
23,4
34,5
3,2
1,19
1648
NL22spss-254
23,4
42,0
3,2
2,44
1623
NL24ss-254
25,3
39,0
3,2
1,65
1636
NL24spss-254
25,3
48,5
3,2
3,50
1655
NL1"ss-254
27,9
39,0
3,2
1,42
1178
NL1"spss-254
27,9
48,5
3,2
3,22
1656
NL27ss-254
28,4
42,0
5,8
3,10
1637
NL27spss-254
28,4
48,5
5,8
5,85
1657
NL30ss-254
31,4
47,0
5,8
4,04
1649
NL33ss-254
34,4
48,5
5,8
4,25
1658
NL36ss-254
37,4
55,0
5,8
5,96
1507
NL39ss-254
40,4
58,5
5,8
6,74
1659
 
 
Material and dimensions are subject to change without prior notice.
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