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 5935-00-299-8036
NSN 5920-00-901-1551
NSN 5996-01-274-6460
NSN 5960-01-507-9112
NSN 6620-01-648-1594
NSN 6685-01-445-5811
NSN 5905-01-090-3698
NSN 5965-01-625-7255
NSN 5950-01-280-3742
NSN 5910-01-065-0394
NSN 6645-01-060-7988
NSN 6620-01-160-8517