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 5990-01-432-4984
NSN 6240-00-932-1331
NSN 5905-00-455-4478
NSN 6110-01-010-4551
NSN 6110-00-323-9816
NSN 6135-01-433-2062
NSN 5930-00-964-5298
NSN 5985-00-296-7656
NSN 5950-00-424-3791
NSN 5990-01-134-7756
NSN 6610-01-353-9326
NSN 5915-01-426-8862