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 5910-01-245-8757
NSN 7035-01-628-7757
NSN 5835-01-561-2959
NSN 6135-01-359-4293
NSN 4140-00-904-8153
NSN 6145-01-526-7089
NSN 6620-01-503-6576
NSN 6130-01-016-4770
NSN 5998-01-319-1956
NSN 6320-01-554-0901
NSN 6135-00-078-9931
NSN 2925-01-643-8395