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 6320-00-519-0770
NSN 5985-00-177-1669
NSN 5945-00-925-2596
NSN 5930-01-538-9268
NSN 6610-00-740-7103
NSN 5855-00-051-2792
NSN 5999-01-107-9594
NSN 6150-01-492-5246
NSN 4140-00-423-6663
NSN 6320-00-450-7014
NSN 6320-01-039-5891
NSN 5945-00-710-4553