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 5950-01-165-4050
NSN 5905-00-252-2035
NSN 5985-00-552-2507
NSN 5855-01-459-9254
NSN 6130-01-528-5770
NSN 6240-01-365-1337
NSN 5935-01-589-9285
NSN 6130-00-133-0354
NSN 5998-01-196-6131
NSN 5895-01-443-4733
NSN 6620-01-030-0525
NSN 5925-01-556-2471