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 5998-00-525-2654
NSN 5975-01-413-4637
NSN 7035-01-311-8424
NSN 6135-00-995-1089
NSN 4140-01-511-0286
NSN 5930-01-474-2871
NSN 6685-01-142-9717
NSN 6645-01-217-2888
NSN 6620-00-255-5962
NSN 6105-00-205-0655
NSN 6220-00-251-3564
NSN 6110-00-736-9946