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 5990-01-472-2447
NSN 6620-01-281-6386
NSN 5835-01-561-2959
NSN 5915-01-100-3652
NSN 6645-01-567-8282
NSN 6145-01-553-3481
NSN 5915-01-159-0117
NSN 6135-01-462-0731
NSN 5905-00-935-1142
NSN 6150-01-555-1361
NSN 5925-01-607-1013
NSN 5930-01-450-6736