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 6620-01-124-0947
NSN 5960-00-893-0151
NSN 5925-00-602-8623
NSN 5975-00-495-0041
NSN 6150-00-792-8938
NSN 5960-01-539-1956
NSN 5990-01-421-3325
NSN 5998-00-254-1934
NSN 6110-01-487-4532
NSN 5925-00-914-7780
NSN 5915-01-494-8715
NSN 6135-01-332-0431