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 4140-00-432-0330
NSN 5998-01-248-3185
NSN 5945-01-444-4167
NSN 6145-01-198-5916
NSN 6620-00-954-4971
NSN 6645-00-425-6199
NSN 5998-01-273-0124
NSN 5975-01-566-2373
NSN 5925-00-519-3657
NSN 6105-01-482-6301
NSN 5985-01-069-4897
NSN 6620-00-292-7000