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 6110-01-507-4452
NSN 5945-01-040-1447
NSN 6650-01-399-8552
NSN 6145-00-014-5759
NSN 5905-00-721-0912
NSN 6130-00-291-0589
NSN 6685-01-477-2349
NSN 5999-01-068-3639
NSN 6110-00-782-1174
NSN 5990-01-019-3447
NSN 5960-01-025-2526
NSN 6105-01-194-1283