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 5975-00-306-4688
NSN 4140-00-159-8471
NSN 5835-01-645-2892
NSN 6610-01-330-7839
NSN 6685-01-425-1719
NSN 5999-00-959-3134
NSN 5965-01-498-1974
NSN 5925-01-619-9290
NSN 5915-01-089-7930
NSN 6650-01-010-4204
NSN 5855-01-305-3292
NSN 6135-00-754-8191