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 5835-01-303-6563
NSN 5975-01-305-2709
NSN 6220-00-111-3188
NSN 6150-00-501-9965
NSN 2925-00-005-1618
NSN 6150-01-267-2390
NSN 5999-01-253-5013
NSN 5990-01-647-8574
NSN 4140-00-820-1173
NSN 6685-01-176-0413
NSN 6130-01-128-2739
NSN 6135-01-499-8812