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.
Classification: Gaskets, washers and other seals, of vulcanized rubber other than hard rubber
NSN 5910-01-317-5553
NSN 2925-00-580-4931
NSN 6145-01-077-1543
NSN 5999-00-681-1168
NSN 5996-00-007-1384
NSN 5990-01-085-9117
NSN 5925-00-827-0927
NSN 6145-01-411-5895
NSN 6220-01-280-5353
NSN 5985-01-356-2615
NSN 5895-00-987-4485
NSN 5990-01-320-1412