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 6685-00-221-0197
NSN 2925-01-660-0669
NSN 5920-01-608-9564
NSN 6135-01-230-4399
NSN 2925-01-607-4340
NSN 5985-01-394-9420
NSN 6645-01-414-4941
NSN 2925-01-306-4228
NSN 5990-01-054-3332
NSN 6610-01-176-3539
NSN 6650-01-578-0007
NSN 5920-01-177-9200