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 4140-01-553-5767
NSN 5975-01-423-6812
NSN 6620-01-626-9914
NSN 6240-01-593-3393
NSN 5930-00-025-9384
NSN 5905-01-441-9464
NSN 5910-01-510-9454
NSN 5950-01-378-7042
NSN 6620-00-795-7531
NSN 6135-01-031-8078
NSN 4140-01-519-3349
NSN 5855-01-371-1010