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 5925-01-496-0701
NSN 6145-00-683-5353
NSN 2925-00-143-5859
NSN 5996-01-377-3743
NSN 6685-01-423-1064
NSN 6620-00-388-9202
NSN 5999-01-038-4096
NSN 6145-00-868-4677
NSN 5905-01-042-8808
NSN 4140-01-004-0566
NSN 5895-01-117-3749
NSN 5915-00-952-9015