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 5990-01-272-4091
NSN 6650-01-421-2762
NSN 5999-00-848-2192
NSN 6150-01-187-3987
NSN 7035-01-146-7096
NSN 4140-01-568-0341
NSN 6135-01-205-5965
NSN 5895-00-160-7660
NSN 5855-01-578-6742
NSN 6105-01-158-0458
NSN 5925-01-039-0246
NSN 6105-01-158-7618