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 6610-00-620-3802
NSN 6610-01-192-6478
NSN 6620-01-210-4401
NSN 7035-01-024-9511
NSN 6645-01-418-1657
NSN 6610-01-417-6336
NSN 6645-00-733-9341
NSN 6110-00-961-5204
NSN 5950-00-189-1433
NSN 5915-00-470-0586
NSN 5910-01-079-5164
NSN 5999-01-027-6631