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 5905-01-272-6228
NSN 6240-00-964-3728
NSN 6220-01-254-0091
NSN 5835-00-135-0375
NSN 6645-01-587-0488
NSN 6135-01-428-8821
NSN 5965-00-823-8623
NSN 5960-01-275-7552
NSN 6150-01-381-7298
NSN 6220-00-266-8222
NSN 6650-00-491-0277
NSN 6240-01-571-7706