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 5999-01-373-0614
NSN 6130-01-177-9290
NSN 5998-01-158-2295
NSN 2925-00-167-6762
NSN 5945-01-515-1450
NSN 6610-00-300-4774
NSN 5895-01-219-0132
NSN 6105-00-246-5311
NSN 6645-01-313-3139
NSN 6320-01-532-7491
NSN 5996-01-528-7850
NSN 5960-01-462-7704