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 5920-01-175-5714
NSN 5950-01-641-8722
NSN 5996-01-131-8861
NSN 5855-00-494-9581
NSN 5905-01-506-1802
NSN 5975-01-534-3769
NSN 5999-01-275-7304
NSN 5920-01-432-2251
NSN 6135-01-136-1059
NSN 6685-01-464-1304
NSN 5905-00-203-0801
NSN 6145-01-124-9062