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 6220-01-417-4394
NSN 2925-00-912-3993
NSN 6320-01-352-8084
NSN 5975-01-433-1901
NSN 5925-00-617-8313
NSN 6135-00-196-5267
NSN 2925-01-588-3507
NSN 5965-01-332-1931
NSN 5855-01-236-9645
NSN 5975-01-584-0640
NSN 5950-00-997-0804
NSN 6320-00-977-3930