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 6320-01-294-7161
NSN 6645-01-067-4081
NSN 6610-01-213-3024
NSN 5855-01-027-1571
NSN 6135-00-100-8890
NSN 5910-01-294-8321
NSN 5855-01-264-8599
NSN 5930-01-632-8580
NSN 5985-00-436-2640
NSN 5930-00-067-6751
NSN 5999-01-064-6612
NSN 6685-00-753-7429