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 5945-01-227-2148
NSN 6135-00-422-3967
NSN 4140-00-930-3079
NSN 5910-01-341-7330
NSN 6150-01-109-2266
NSN 6320-00-779-5923
NSN 5835-00-180-7555
NSN 6220-01-385-9499
NSN 2925-01-600-2309
NSN 5935-00-111-6257
NSN 6620-01-265-0632
NSN 6320-01-072-2073