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 5930-01-143-3116
NSN 6150-00-632-3047
NSN 5985-00-067-6377
NSN 5910-01-178-8366
NSN 5996-01-560-8971
NSN 5920-01-081-0012
NSN 6135-01-415-4124
NSN 5945-01-467-2242
NSN 2925-00-185-1618
NSN 5895-01-104-0487
NSN 6150-01-516-9536
NSN 6150-01-064-8388