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 6610-00-138-8048
NSN 5855-01-175-3990
NSN 5910-00-057-6005
NSN 5950-00-397-9869
NSN 6145-01-508-4260
NSN 5999-00-551-0835
NSN 6220-00-548-1999
NSN 6240-01-088-0389
NSN 6320-00-908-6841
NSN 5855-00-990-0701
NSN 5835-01-515-6537
NSN 5920-01-351-9822