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 5930-01-250-2780
NSN 6650-01-426-4253
NSN 5935-00-740-7280
NSN 6130-00-915-1937
NSN 5990-01-544-4360
NSN 6645-01-584-9563
NSN 2925-01-385-6661
NSN 6240-01-521-0235
NSN 5855-01-561-2677
NSN 6685-01-346-6711
NSN 5945-01-396-4785
NSN 5895-01-011-0977