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0.125in.
1.875in.
18-in figure 139 butterfly valve
seat O-Ring
black
rubber BUTADIENE-Acrylonitrile class nbr
1EA
Rubber butadiene-acrylonitrile class nbr
FSC 5331 ⁓ O-ring
Excluding packing and gasket material (fsc 5330).
Used on 18-in figure 139 butterfly valve. seat o-ring 1.875" center hole diameter
1. | D139-18-954ITEM9 | Cage 04613 |
Nothing similar to this part number was found in our inventory
A nonmetallic circular item with an aperature, having a solid round cross-section. they are used primarily for sealing. for items with other than round cross section, see packing,preformed. for noncircular items with a round cross-section, see seal,nonmetallic round section and rubber,round section.