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 6645-00-720-3953
NSN 5905-00-238-0958
NSN 5905-01-581-9623
NSN 5960-01-247-4560
NSN 5945-00-529-6058
NSN 6145-01-188-1530
NSN 5996-01-472-8353
NSN 6135-01-370-2599
NSN 6135-00-269-5843
NSN 6645-01-025-1002
NSN 6650-01-256-9151
NSN 5999-00-104-5582