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 6685-01-534-2402
NSN 6610-00-170-6715
NSN 6645-01-613-7389
NSN 6620-00-767-9415
NSN 5905-00-862-2429
NSN 2925-01-487-0886
NSN 6620-01-568-3960
NSN 5945-01-477-2263
NSN 4140-00-322-9987
NSN 6620-01-371-5040
NSN 6145-01-336-6678
NSN 5996-00-056-7153