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 5990-01-500-5412
NSN 6240-01-384-3887
NSN 4140-01-281-7706
NSN 6620-01-515-6269
NSN 6105-01-038-3888
NSN 6320-01-622-5493
NSN 5950-00-615-9933
NSN 6610-00-789-4719
NSN 6145-01-414-7274
NSN 5925-01-033-3853
NSN 6620-00-269-5168
NSN 5990-00-226-1152