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 6240-00-829-4179
NSN 5935-01-152-1241
NSN 5905-01-477-5464
NSN 5945-01-482-3407
NSN 5930-01-065-4041
NSN 6220-01-582-0908
NSN 5920-01-500-5858
NSN 6685-00-521-3284
NSN 5985-01-168-8546
NSN 6150-01-415-2852
NSN 5960-01-370-4285
NSN 4140-00-170-1567