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 4140-00-455-3170
NSN 6150-00-222-7940
NSN 6145-01-396-8409
NSN 6135-01-343-1592
NSN 5925-00-964-7901
NSN 5925-00-843-0315
NSN 5910-01-048-5378
NSN 5985-01-625-9156
NSN 5985-01-388-9166
NSN 5975-00-582-1460
NSN 5935-00-573-6381
NSN 6650-01-095-4492