Item must comply with requirements of defense supply center columbus production standard no. Lo1303.
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 5895-01-413-1923
NSN 5965-01-371-8031
NSN 6685-00-188-1991
NSN 5960-01-385-9361
NSN 5965-01-592-3051
NSN 5960-00-007-8263
NSN 7035-01-586-9147
NSN 6610-01-579-0134
NSN 6130-01-234-7086
NSN 5945-00-394-6869
NSN 5855-00-797-8217
NSN 5975-01-422-0552