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 5985-00-492-7921
NSN 5985-01-568-6414
NSN 6650-01-062-3611
NSN 6650-01-316-8839
NSN 6240-01-431-5790
NSN 5925-01-312-8126
NSN 4140-01-480-8634
NSN 6150-00-943-4904
NSN 7035-00-391-6345
NSN 5975-00-148-8499
NSN 5855-01-319-9757
NSN 5945-01-026-3582