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 5950-01-546-6251
NSN 6130-01-384-3756
NSN 5915-01-556-4282
NSN 6620-01-531-0415
NSN 5925-01-070-3872
NSN 5910-01-458-2001
NSN 4140-00-552-7370
NSN 6110-01-319-3585
NSN 6220-01-031-0292
NSN 5975-01-535-7819
NSN 5930-01-364-1464
NSN 6240-01-557-1177