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 6240-00-798-1810
NSN 6240-01-648-2327
NSN 6685-01-462-1674
NSN 6105-00-204-9342
NSN 6145-01-162-3131
NSN 5965-01-051-0126
NSN 5985-00-442-3584
NSN 5915-00-286-3272
NSN 6685-00-198-9506
NSN 5920-00-126-1873
NSN 6240-01-371-3020
NSN 4140-01-311-9755