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.
NSN 6135-00-557-8874
NSN 5960-01-522-0391
NSN 6650-01-656-2439
NSN 6220-01-444-2918
NSN 5945-01-052-3694
NSN 2925-00-964-7128
NSN 5855-00-165-3093
NSN 5945-01-213-3582
NSN 6145-01-103-3909
NSN 5965-01-283-9546
NSN 6645-01-167-0712
NSN 5915-01-379-1387