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 5998-01-324-6415
NSN 6240-00-431-4372
NSN 5996-00-302-4701
NSN 6110-00-306-9549
NSN 6645-00-716-8049
NSN 6105-00-161-8070
NSN 5905-00-875-6822
NSN 5999-01-451-4134
NSN 6620-00-261-5396
NSN 6135-01-305-6958
NSN 5950-01-073-0802
NSN 6130-00-610-2392