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 5930-00-228-9456
NSN 6135-00-416-2898
NSN 6685-01-230-2292
NSN 2925-01-631-7004
NSN 6650-00-710-8130
NSN 6145-01-039-9831
NSN
NSN 6650-00-007-4372
NSN 5975-00-038-2813
NSN 6135-00-145-8884
NSN 5905-00-659-0617
NSN 6150-01-468-6745