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 4140-00-900-2341
NSN 2925-00-333-4702
NSN 5855-01-594-5370
NSN 6135-01-175-7311
NSN 5996-01-044-6241
NSN 6645-00-334-0115
NSN 5945-01-647-3839
NSN 5965-01-075-3148
NSN 6620-01-352-5640
NSN 5998-01-582-6329
NSN 6320-01-415-0953
NSN 5975-01-141-6531