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 4140-01-208-7480
NSN 5975-00-083-1433
NSN 5975-01-603-0945
NSN 5835-01-564-5575
NSN 5960-01-118-3394
NSN 5960-01-563-6975
NSN 2925-01-281-6403
NSN 6620-01-053-6650
NSN 2925-00-570-6309
NSN 6110-01-607-5867
NSN 7035-00-064-7008
NSN 5920-01-059-9368