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 5930-01-145-4376
NSN 4140-00-378-3399
NSN 5930-00-503-7656
NSN 5905-01-221-8078
NSN 6610-00-081-2365
NSN 5935-01-466-4921
NSN 5945-01-461-9291
NSN 5920-00-952-1374
NSN 6135-01-627-3786
NSN 5915-01-559-1326
NSN 5910-01-004-9985
NSN 6130-00-627-8840