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 4140-01-485-6172
NSN 6620-01-207-8043
NSN 5945-00-830-7785
NSN 6685-01-514-7783
NSN 6130-01-013-8808
NSN 6620-00-846-3287
NSN 6685-01-425-1719
NSN 7035-01-564-1821
NSN 5996-00-905-6610
NSN 6110-01-400-4207
NSN 5905-00-391-5037
NSN 5905-01-479-5375