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 6135-00-764-8680
NSN 6620-01-519-1387
NSN 5985-00-684-5512
NSN 6645-01-558-5057
NSN 7035-01-656-3538
NSN 5905-01-012-1598
NSN 5925-00-013-9423
NSN 6145-01-433-9079
NSN 5996-00-372-4528
NSN 6110-01-593-4499
NSN 5920-01-123-9854
NSN 5855-01-512-1926