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 5895-00-054-9388
NSN 6220-01-100-5093
NSN 5925-00-223-9552
NSN 6135-01-551-0562
NSN 6135-01-052-9634
NSN 5960-00-790-0509
NSN 7035-01-265-0216
NSN 6240-00-821-5125
NSN 2925-01-596-9448
NSN 5835-00-106-2120
NSN 5990-01-322-9781
NSN 4140-01-090-8361