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 6220-01-561-9772
NSN 6320-01-177-3192
NSN 5999-01-631-4218
NSN 6320-01-267-7990
NSN 5905-01-424-9348
NSN 5855-01-411-3360
NSN 2925-00-540-9918
NSN 5920-00-228-4498
NSN 5975-01-484-9694
NSN 4140-00-133-1780
NSN 6685-01-448-9630
NSN 5965-00-234-7338