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 5910-01-074-9155
NSN 4140-01-322-8491
NSN 6240-00-840-3647
NSN 5930-01-159-6698
NSN 6620-01-209-6909
NSN 6130-00-086-8976
NSN 5935-01-604-8539
NSN 5855-01-570-0989
NSN 6645-01-139-0156
NSN 2925-00-964-7128
NSN 5965-00-161-1512
NSN 6240-01-325-6260