Cleaning and packaging per mil-std-1330d
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 6620-01-239-3804
NSN 6240-00-286-0742
NSN 6220-00-239-4427
NSN 6110-00-317-8063
NSN 5996-01-006-6346
NSN 5910-00-727-2083
NSN 5990-00-583-9920
NSN 5855-00-930-2644
NSN 5895-01-525-7645
NSN 5925-01-187-6943
NSN 5996-01-414-9827
NSN 5996-01-577-9696