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 5905-01-243-6743
NSN 5835-00-876-4544
NSN 4140-01-443-2391
NSN 6240-01-548-8382
NSN 6105-01-323-7679
NSN 6610-00-971-4881
NSN 6620-01-214-7520
NSN 6135-00-803-3012
NSN 5855-01-573-8397
NSN 5990-01-411-5930
NSN 5945-01-411-1932
NSN 2925-00-420-8151