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 4140-01-061-0440
NSN 6610-01-522-5751
NSN 5935-01-216-9075
NSN 6320-00-593-0379
NSN 5855-01-426-5589
NSN 5925-01-291-2091
NSN 6620-01-533-1059
NSN 6130-01-660-4306
NSN 6620-01-600-0479
NSN 6240-01-046-9424
NSN 6645-00-262-7448
NSN 5999-01-208-5019