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 5920-00-793-4653
NSN 6130-00-060-8675
NSN 2925-01-073-8223
NSN 4140-01-561-0386
NSN 6610-01-382-7894
NSN 6145-01-576-6157
NSN 6610-01-364-0197
NSN 6685-01-325-0631
NSN 5855-01-398-0090
NSN 6620-01-394-0365
NSN 4140-01-202-4475
NSN 5999-01-218-8606