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 5905-01-290-4756
NSN 5855-01-028-8387
NSN 5925-00-249-1287
NSN 7035-01-219-7987
NSN 6150-00-146-7744
NSN 6650-01-464-3244
NSN 5925-00-361-8836
NSN 5905-00-186-2227
NSN 5930-01-653-9832
NSN 4140-01-326-8535
NSN 5895-00-203-2379
NSN 4140-01-557-9472