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 6620-01-271-8984
NSN 6145-01-562-8763
NSN 2925-00-467-7150
NSN 5905-01-385-9547
NSN 5895-01-237-1619
NSN 6320-01-412-2973
NSN 5925-01-426-5231
NSN 5996-00-917-6899
NSN 6610-01-335-3185
NSN 5925-01-398-0013
NSN 5910-01-422-4924
NSN 4140-01-320-4896