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 6685-01-500-1810
NSN 5985-00-910-0181
NSN 5920-01-479-5060
NSN 5925-01-262-6152
NSN 6610-01-234-5542
NSN 5950-01-141-6741
NSN 5996-00-011-3851
NSN 5975-01-090-3581
NSN 6130-01-106-3649
NSN 6610-00-073-5881
NSN 5975-01-441-1715
NSN 6620-00-303-9947