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 4140-00-170-5152
NSN 5925-00-360-2399
NSN 5925-00-035-8469
NSN 5999-01-497-6974
NSN 4140-01-097-7320
NSN 6610-01-027-0087
NSN 5998-01-212-9255
NSN 5996-01-241-1843
NSN 6685-01-174-0873
NSN 5930-01-528-5806
NSN 5999-00-792-7962
NSN 5910-00-281-0886