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 5920-00-404-1078
NSN 5930-01-146-5546
NSN 2925-00-054-3550
NSN 6610-01-163-7062
NSN 6145-00-162-7922
NSN 6610-00-060-9506
NSN 6240-01-623-3798
NSN 7035-01-338-9971
NSN 5975-00-004-6522
NSN 5996-01-060-0239
NSN 6240-01-565-6276
NSN 6685-01-439-5388