METRIC “O” RINGS
BUNA-N
Buna-N (Nitrile)
The most common nitrile copolymer blend is the
compound known as Buna-N. Possessing very good
resistance to petroleum based hydraulic oils, Buna-N
also works well with fuels such as diesel or gasoline.
Nitrile seals have a good resistance to compression
set, but their flexibility suffers somewhat in the lower
temperature range. Seals made from this material
have a low resistance to ozone and must be stored
carefully in most environments. Working temperatures
are -40° to +240° F.
Thk.
I.D.
O.D.
Part #
Qty
3mm
7mm
25
4mm
8mm
25
5mm
9mm
25
6mm
10mm
25
2.0 mm
7mm
11mm
25
8mm
12mm
25
10mm
14mm
25
10mm
15mm
25
11mm
16mm
25
12mm
17mm
25
14mm
19mm
25
2.5 mm
16mm
21mm
25
17mm
22mm
25
19mm
24mm
25
19mm
25mm
25
20mm
26mm
25
22mm
28mm
25
24mm
30mm
25
25mm
31mm
25
11
27mm
33mm
25
28mm
34mm
25
3.0 mm
30mm
36mm
25
32mm
38mm
25
33mm
39mm
25
35mm
41mm
25
36mm
42mm
25
38mm
44mm
25
38mm
46mm
25
41mm
49mm
25
44mm
52mm
25
4.0 mm
47mm
55mm
25
50mm
58mm
25
11-31
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