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 5925-01-173-1763
NSN 6105-01-378-9039
NSN 5960-01-495-0859
NSN 5920-00-116-4959
NSN 5925-00-999-9320
NSN 5975-01-198-1453
NSN 6620-00-962-1526
NSN 5910-00-469-3394
NSN 2925-01-322-9780
NSN 5975-01-441-9221
NSN 5910-00-925-6962
NSN 5945-01-202-9666