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 5996-00-096-2604
NSN 5925-00-536-7651
NSN 5925-00-597-1558
NSN 6610-01-323-0901
NSN 7035-00-803-3056
NSN 6130-01-451-9934
NSN 6240-01-220-2969
NSN 4140-01-114-3014
NSN 5985-01-314-2057
NSN 5895-01-284-3848
NSN 6645-01-495-0939
NSN 6145-00-823-3080