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 4140-01-415-3907
NSN 6645-01-007-2063
NSN 6150-01-560-6986
NSN 6110-01-540-6041
NSN 5965-01-111-0983
NSN 5945-01-609-9809
NSN 6620-01-504-5756
NSN 6130-00-401-4970
NSN 5975-01-424-3786
NSN 6130-01-514-2726
NSN 6135-01-412-5836
NSN 5999-01-492-5929