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 5990-00-467-7431
NSN 6620-00-010-8190
NSN 5930-01-333-3414
NSN 6130-01-553-5785
NSN 5999-01-063-7408
NSN 5975-01-593-2566
NSN 6610-00-680-8325
NSN 5996-00-900-4001
NSN 5925-01-446-1967
NSN 6220-01-577-6168
NSN 5975-01-054-1834
NSN 6150-01-552-9803