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 6620-00-449-1973
NSN 6320-01-550-3420
NSN 6130-00-484-2369
NSN 2925-01-456-6840
NSN 6610-01-587-6068
NSN 5996-00-104-8293
NSN 6320-00-823-2015
NSN 5990-01-345-1468
NSN 5930-01-133-4291
NSN 6240-01-015-2370
NSN 6320-01-129-9656
NSN 2925-00-096-5526