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 4140-01-646-1182
NSN 5998-01-065-0860
NSN 5965-01-386-2988
NSN 6220-00-976-3390
NSN 6650-01-584-8644
NSN 5990-01-281-7601
NSN 5905-01-631-7545
NSN 6220-00-378-1484
NSN 6110-00-082-0268
NSN 5910-01-657-4685
NSN 6685-00-555-2299
NSN 6610-00-155-1334