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 6620-01-241-4881
NSN 5925-00-247-8571
NSN 6110-00-009-0292
NSN 5998-01-591-1629
NSN 5965-01-597-0922
NSN 5950-01-308-7583
NSN 6610-01-093-4710
NSN 5996-00-867-1459
NSN 5925-00-701-5065
NSN 5855-00-973-5717
NSN 5905-01-534-2281
NSN 5930-01-126-4046