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 5985-00-931-2003
NSN 5835-01-565-3411
NSN 6645-00-269-2764
NSN 5999-01-521-3148
NSN 6620-01-529-7513
NSN 2925-01-552-4313
NSN 5960-00-135-0750
NSN 5925-00-126-1489
NSN 4140-00-200-9082
NSN 6685-00-758-1162
NSN 5965-01-485-3167
NSN 6105-00-235-7982