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 6130-01-532-8059
NSN 6135-00-403-0213
NSN 4140-01-348-2219
NSN 6320-01-118-6662
NSN 6610-00-841-8221
NSN 5990-00-382-5885
NSN 6650-01-025-7425
NSN 7035-00-020-2227
NSN 6220-01-143-3406
NSN 5950-00-004-7738
NSN 5910-00-187-0032
NSN 6610-01-644-2546