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 5855-01-524-8099
NSN 5985-01-634-0635
NSN 5915-01-335-5142
NSN 5915-01-281-7383
NSN 5920-00-340-3002
NSN 6145-01-565-7017
NSN 6610-01-014-3964
NSN 5975-01-118-1542
NSN 5935-01-467-2575
NSN 6610-01-573-1106
NSN 5835-01-602-0311
NSN 6620-01-387-7645