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 6650-01-512-1930
NSN 6620-00-010-8190
NSN 6650-01-654-0983
NSN 5945-01-548-5389
NSN 6105-01-611-3320
NSN 4140-01-486-8261
NSN 6135-00-180-5125
NSN 5975-00-942-1925
NSN 4140-00-902-7744
NSN 5920-01-281-7354
NSN 5920-01-539-6994
NSN 5920-00-138-7645