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 5925-01-470-4218
NSN 6220-01-003-9126
NSN 5950-01-424-0257
NSN 6240-00-099-8606
NSN 6130-00-900-4758
NSN 5925-00-005-3176
NSN 6105-01-340-5242
NSN 6135-01-607-3013
NSN 4140-00-485-6958
NSN 5905-01-307-0621
NSN 6135-00-422-3967
NSN 5990-00-412-4411