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 4140-01-100-1223
NSN 5920-00-929-4976
NSN 5910-01-340-4968
NSN 6320-01-442-3428
NSN 5950-01-616-3091
NSN 4140-01-432-1447
NSN 5975-01-310-3349
NSN 6110-01-611-3495
NSN 6135-00-809-2148
NSN 5910-01-648-1601
NSN 5950-01-411-5364
NSN 5965-01-600-0444