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.
Classification: Gaskets, washers and other seals, of vulcanized rubber other than hard rubber
NSN 5935-00-314-4509
NSN 5990-01-190-8223
NSN 5960-01-599-9821
NSN 6145-00-067-7436
NSN 7035-01-260-0804
NSN 6620-01-144-2488
NSN 5925-01-343-3596
NSN 5945-01-347-7750
NSN 5935-00-377-6946
NSN 6645-00-300-0401
NSN 4140-01-217-6290
NSN 6135-01-131-9352