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 6145-01-025-1822
NSN 5990-01-395-4194
NSN 5920-01-394-9515
NSN 4140-00-555-3856
NSN 6130-00-413-2986
NSN 5996-00-434-4005
NSN 5996-01-008-4456
NSN 5975-00-376-8001
NSN 5855-01-526-7688
NSN 5985-00-390-8837
NSN 6650-01-339-7571
NSN 7035-01-089-4485