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 6110-00-177-6233
NSN 2925-01-089-6269
NSN 5975-01-462-0700
NSN 5950-00-479-9707
NSN 4140-01-463-2114
NSN 6145-01-287-9251
NSN 6620-01-054-9346
NSN 6135-01-113-1507
NSN 6135-01-142-2417
NSN 5855-00-896-4047
NSN 6650-01-548-0297
NSN 5990-01-128-3758