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 5855-01-511-4046
NSN 6145-01-333-7895
NSN 5990-01-476-0722
NSN 6105-01-493-2518
NSN 5985-01-127-6844
NSN 5950-01-643-5511
NSN 5999-01-283-3095
NSN 5910-01-567-8634
NSN 2925-00-450-7783
NSN 5975-01-340-9077
NSN 5990-01-004-6343
NSN 6110-01-411-6000