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 5996-00-949-4244
NSN 6145-01-564-9204
NSN 6240-01-512-8129
NSN 6135-01-551-0562
NSN 6685-00-872-9216
NSN 5985-00-491-9159
NSN 5999-00-096-7061
NSN 6150-01-448-6146
NSN 5855-00-337-3679
NSN 5990-01-510-4699
NSN 5935-00-255-6550
NSN 5920-01-106-1137