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 5996-00-221-7663
NSN 5895-01-161-1706
NSN 5905-01-541-5010
NSN 6645-00-163-9580
NSN 5835-01-512-4834
NSN 5999-00-984-0602
NSN 6610-01-196-0823
NSN 5945-00-991-3828
NSN 5950-00-642-5951
NSN 5925-00-314-4294
NSN 5945-01-646-0032
NSN 5855-01-085-5354