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 5990-01-307-4489
NSN 6645-01-543-7834
NSN 5965-00-007-7863
NSN 5985-01-561-8726
NSN 5996-00-993-6425
NSN 6645-01-400-1137
NSN 2925-01-422-1542
NSN 6130-01-096-7551
NSN 5998-01-016-1453
NSN 5985-01-240-5388
NSN 5960-01-182-1863
NSN 6685-01-571-5574