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 4140-01-400-3610
NSN 6685-01-445-7658
NSN 6645-01-109-9552
NSN 5990-01-378-7349
NSN 5895-00-186-8572
NSN 5996-00-239-2342
NSN 6650-01-202-8014
NSN 6130-01-505-9245
NSN 6130-01-237-2358
NSN 5920-01-009-8121
NSN 5998-00-437-2376
NSN 2925-00-833-9466