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 6620-00-916-3134
NSN 4140-01-389-8523
NSN 5999-00-325-1185
NSN 6620-00-905-6590
NSN 5985-01-451-2963
NSN 5990-01-116-2181
NSN 5910-00-601-6404
NSN 6240-01-286-3200
NSN 6105-01-027-1135
NSN 6220-01-008-7401
NSN 6685-01-472-0563
NSN 6610-01-081-7532