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 5945-00-188-8954
NSN 2925-01-411-4666
NSN 5999-00-352-8747
NSN 6650-01-168-1659
NSN 6620-01-578-7561
NSN 5998-01-209-0423
NSN 5999-00-123-8079
NSN 5910-01-222-1624
NSN 6135-00-112-8637
NSN 5910-01-516-3787
NSN 6145-01-090-6464
NSN 6650-01-587-5867