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 5965-01-186-2051
NSN 5905-00-199-6183
NSN 6240-00-113-8820
NSN 6645-00-171-9251
NSN 5965-01-584-6239
NSN 5855-01-222-1242
NSN 5945-01-483-1316
NSN 5950-00-166-9555
NSN 5925-01-342-3502
NSN 4140-01-407-2880
NSN 4140-01-082-8533
NSN 6220-01-529-6728