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 5945-01-485-5043
NSN 5905-00-250-9698
NSN 2925-01-177-1598
NSN 6220-01-200-6461
NSN 6220-00-432-6145
NSN 5990-00-202-5127
NSN 4140-01-529-6811
NSN 6620-01-074-1714
NSN 5985-00-136-1886
NSN 5985-00-429-2037
NSN 5996-01-398-4755
NSN 5915-01-350-6599