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 5990-00-841-5637
NSN 6130-01-322-2797
NSN 6105-01-622-0433
NSN 6110-01-465-5952
NSN 5960-00-420-0418
NSN 5920-01-383-0300
NSN 5990-01-200-3711
NSN 5965-01-578-6911
NSN 5925-00-764-8349
NSN 5945-01-179-4776
NSN 5855-01-205-7030
NSN 2925-01-027-1293