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 5930-01-514-0641
NSN 5895-01-460-1761
NSN 5990-00-513-5328
NSN 5965-01-578-6139
NSN 4140-00-171-1387
NSN 5915-01-332-8452
NSN 6645-01-347-8646
NSN 6320-00-459-8973
NSN 6135-00-284-1406
NSN 5996-00-155-4586
NSN 6220-01-654-8476
NSN 5925-01-377-2285