1 required
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 6645-01-093-5015
NSN 5999-01-371-3000
NSN 5950-01-098-4078
NSN 5990-00-524-2293
NSN 5960-01-604-1158
NSN 6685-00-932-8990
NSN 6610-00-461-5471
NSN 5895-01-502-5519
NSN 5945-00-253-4568
NSN 5930-01-542-9114
NSN 6240-01-009-0363
NSN 5960-01-167-5338