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 5998-01-170-4106
NSN 6130-00-458-8372
NSN 5915-00-323-1262
NSN 6150-00-296-2361
NSN 5935-00-599-6321
NSN 5925-01-474-4244
NSN 5990-01-548-5979
NSN 5925-01-426-6923
NSN 6145-01-654-9011
NSN 5945-00-188-8432
NSN 5920-01-285-5674
NSN 6130-01-654-3623