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 5935-00-943-0432
NSN 5935-01-377-4311
NSN 5975-01-647-3189
NSN 6135-00-497-0491
NSN 6220-00-826-5277
NSN 6645-01-044-6376
NSN 5998-01-061-8932
NSN 2925-00-902-3881
NSN 5910-01-057-6883
NSN 5990-01-359-8334
NSN 6105-01-189-1552
NSN 5915-01-286-5540