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 5975-01-123-5761
NSN 4140-00-179-0200
NSN 5960-00-400-2222
NSN 7035-01-261-9850
NSN 6110-00-191-9225
NSN 5950-01-443-4029
NSN 6645-00-155-2398
NSN 6650-01-541-0506
NSN 5855-01-159-1654
NSN 6110-01-647-3674
NSN 5910-01-209-3230
NSN 5998-01-204-5647