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.
NSN 5975-00-614-7532
NSN 5950-01-070-8480
NSN 5905-00-509-8821
NSN 5996-00-932-1986
NSN 5950-01-233-2504
NSN 6150-01-032-4556
NSN 6685-01-182-9494
NSN 4140-00-855-6018
NSN 6220-00-038-7532
NSN 4140-00-872-6316
NSN 5915-00-985-1605
NSN 5990-01-555-6616