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 2925-00-644-0028
NSN 5905-00-177-7833
NSN 6685-01-500-0395
NSN 6135-00-735-8530
NSN 6645-00-279-1777
NSN 5960-00-816-9040
NSN 6240-01-437-6680
NSN 5915-01-222-8698
NSN 5895-01-243-0000
NSN 5910-01-248-5901
NSN 5915-01-260-6453
NSN 5915-00-050-5357