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 5990-01-529-6347
NSN 6145-01-359-8028
NSN 6610-01-252-4717
NSN 6650-01-586-0426
NSN 6685-00-932-8990
NSN 5935-00-597-5055
NSN 6685-00-331-8141
NSN 5930-01-411-6053
NSN 5996-01-413-7533
NSN 5925-00-223-9552
NSN 5999-01-344-8764
NSN 5835-01-338-5176