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 5998-00-256-2028
NSN 4140-01-176-6876
NSN 6145-00-964-6694
NSN 5915-00-281-8175
NSN 5920-00-243-9506
NSN 6645-00-166-7926
NSN 5920-01-481-7931
NSN 6620-00-515-6422
NSN 5975-01-537-0956
NSN 6645-00-222-2785
NSN 5965-01-080-9808
NSN 5910-01-190-1291