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 5965-00-868-6820
NSN 5975-00-951-2495
NSN 5990-01-498-0641
NSN 2925-01-294-4125
NSN 5996-01-334-3038
NSN 6685-00-564-9800
NSN 6130-00-949-9994
NSN 5855-01-534-6802
NSN 5960-01-500-6615
NSN 6645-01-496-0073
NSN 6685-01-057-9166
NSN 6220-01-511-5148