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 5895-01-176-4560
NSN 5925-01-350-3646
NSN 6105-00-542-3666
NSN 5975-00-719-9793
NSN 5965-01-369-8016
NSN 4140-00-674-2856
NSN 5985-01-047-3669
NSN 4140-00-155-8012
NSN 6150-00-814-5905
NSN 6220-00-251-5600
NSN 6220-01-519-6174
NSN 6105-00-721-2433