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 6110-01-377-6557
NSN 4140-01-057-4152
NSN 6220-01-487-3904
NSN 5905-01-578-6998
NSN 6105-01-115-8688
NSN 6130-01-036-9096
NSN 5835-01-270-7899
NSN 5925-01-292-4650
NSN 6145-00-224-5245
NSN 5950-01-378-7042
NSN 6610-00-081-2365
NSN 5930-01-022-1375