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 5999-01-174-4473
NSN 2925-00-351-1015
NSN 5925-01-030-4673
NSN 2925-00-881-3770
NSN 5855-01-096-9294
NSN 6135-00-145-8884
NSN 4140-00-390-5822
NSN 6220-01-288-3058
NSN 6240-00-509-2485
NSN 6685-01-019-3445
NSN 6620-00-242-7032
NSN 5990-01-227-6526