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 6610-01-003-9058
NSN 5996-01-109-1586
NSN 5999-00-925-2502
NSN 4140-01-413-1529
NSN 5905-00-603-8372
NSN 6220-00-478-6480
NSN 5910-00-679-2036
NSN 6150-01-387-0713
NSN 5999-00-986-0722
NSN 5910-01-603-9162
NSN 5998-01-322-4850
NSN 6685-00-532-9266