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 6620-01-407-5619
NSN 6645-00-708-8569
NSN 5925-00-944-3848
NSN 6620-01-034-4539
NSN 5990-00-371-6590
NSN 6150-00-761-3316
NSN 5915-00-256-0040
NSN 5950-00-811-2065
NSN 5915-00-222-8186
NSN 5960-01-415-3574
NSN 5996-01-205-3263
NSN 5945-01-165-5260