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 5990-01-376-8930
NSN 5975-00-394-2545
NSN 7035-01-624-6939
NSN 6240-00-630-8069
NSN 6105-00-855-0760
NSN 6135-01-520-4670
NSN 5999-01-533-1323
NSN 6610-01-199-0499
NSN 5905-00-306-4729
NSN 6240-00-655-2523
NSN 6135-01-548-1423
NSN 6220-01-352-5425