As modified by special cleaning requirement in accordance with mil-p-52211/ce/
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 5905-01-110-7472
NSN 5945-01-354-6511
NSN 5925-01-495-8081
NSN 5990-01-522-6096
NSN 6150-01-233-9528
NSN 6610-00-846-3310
NSN 6135-01-026-9960
NSN 6650-01-431-2266
NSN 5996-01-255-9245
NSN 5835-01-357-0894
NSN 6240-01-092-3509
NSN 5855-00-411-8688