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 5985-01-604-9521
NSN 6150-01-251-1420
NSN 5895-01-466-0306
NSN 6220-01-007-1236
NSN 6320-01-397-0399
NSN 6145-00-166-7950
NSN 5915-01-254-4458
NSN 6650-00-879-5834
NSN 5925-01-160-7609
NSN 5960-01-426-4242
NSN 5855-01-208-1471
NSN 5945-01-143-4623