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 6145-00-936-0083
NSN 6135-00-016-0071
NSN 6685-00-477-2892
NSN 6150-00-170-8008
NSN 5998-01-210-3390
NSN 5960-01-536-9763
NSN 5835-00-660-4523
NSN 5985-01-003-3932
NSN 5910-01-625-5332
NSN 5999-01-493-2323
NSN 6320-01-422-1212
NSN 6610-00-194-0676