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 5930-00-132-5134
NSN 4140-01-177-1445
NSN 5950-00-097-9153
NSN 5945-01-442-5669
NSN 5930-00-494-9915
NSN 4140-00-926-4242
NSN 2925-01-633-4048
NSN 5925-00-553-2274
NSN 6650-00-527-8822
NSN 6645-01-280-2674
NSN 5975-00-020-6756
NSN 6145-01-285-6002