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 5925-00-881-9766
NSN 6610-00-891-6370
NSN 5990-01-344-9118
NSN 5905-01-400-0963
NSN 5985-00-449-8520
NSN 5835-01-580-0446
NSN 5945-00-826-7068
NSN 6220-01-441-8662
NSN 5920-00-928-6721
NSN 5855-00-247-7219
NSN 5985-01-373-3139
NSN 6620-01-441-0240