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 6240-01-621-2774
NSN 5960-01-322-1337
NSN 5935-01-171-2402
NSN 6645-01-423-9361
NSN 5910-01-100-4907
NSN 6220-00-852-8317
NSN 5960-01-335-1622
NSN 6220-01-139-7340
NSN 5910-01-271-7443
NSN 6685-00-965-1506
NSN 5945-01-605-3053
NSN 5950-00-239-0619