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 4140-01-225-0041
NSN 5965-00-156-8562
NSN 5975-00-104-5399
NSN 5998-00-562-4900
NSN 5835-01-031-7265
NSN 6135-00-242-9531
NSN 6645-01-192-3061
NSN 5930-01-222-3199
NSN 5910-01-186-6800
NSN 6105-01-036-0478
NSN 6150-01-052-6239
NSN 6145-01-546-1100