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 5910-00-302-5330
NSN 5975-00-951-6573
NSN 5905-00-451-4368
NSN 5910-00-518-4608
NSN 5950-01-555-8152
NSN 5930-01-254-2616
NSN 5945-00-069-4980
NSN 6685-00-788-7599
NSN 5910-00-451-6389
NSN 5925-00-114-2253
NSN 5945-01-549-0228
NSN 4140-01-273-4891