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 5999-01-251-5167
NSN 5910-01-090-3538
NSN 6135-01-106-7740
NSN 6320-00-823-2015
NSN 6320-01-422-1212
NSN 7035-01-423-8343
NSN 6220-01-512-5258
NSN 6105-01-626-8959
NSN 6685-01-319-0999
NSN 5975-01-541-4246
NSN 5999-01-361-8950
NSN 6645-00-216-6126