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 4140-01-075-5455
NSN 5920-01-503-7235
NSN 5975-01-076-0541
NSN 6645-01-561-8760
NSN 5990-01-381-9526
NSN 5930-01-569-7333
NSN 5996-01-633-7979
NSN 5905-01-184-1493
NSN 5985-01-122-1671
NSN 6220-01-449-1239
NSN 6110-00-126-8402
NSN 5920-00-899-3384