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 5975-00-567-2766
NSN 6130-00-160-9914
NSN 6620-01-097-1038
NSN 5960-01-266-7564
NSN 5905-01-102-0903
NSN 6650-01-115-2766
NSN 5975-00-947-6045
NSN 5960-01-302-7583
NSN 5965-01-492-5695
NSN 6645-01-157-9103
NSN 6135-01-556-7318
NSN 5920-01-126-9666