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 5930-00-631-3178
NSN 5999-00-398-1583
NSN 4140-00-177-0463
NSN 6130-01-415-3529
NSN 4140-01-020-6026
NSN 5945-01-440-9114
NSN 6645-01-349-6632
NSN 6145-00-253-2787
NSN 5895-01-612-1574
NSN 6135-01-361-6197
NSN 5920-01-335-6347
NSN 6620-00-113-9145