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 6220-00-510-7899
NSN 6130-01-470-3102
NSN 5996-01-116-1087
NSN 6105-01-628-1176
NSN 6645-00-907-3404
NSN 6150-01-428-7601
NSN 5996-00-923-2388
NSN 6610-01-339-6803
NSN 6110-01-481-3942
NSN 6240-01-245-6968
NSN 6685-01-552-9911
NSN 6220-01-370-4215