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 5950-01-537-7577
NSN 5965-01-538-8795
NSN 5990-01-177-2838
NSN 6650-00-053-4907
NSN 6320-01-106-4414
NSN 7035-01-514-0599
NSN 6135-01-434-4954
NSN 6610-00-614-7943
NSN 5905-00-404-0912
NSN 6130-00-242-3976
NSN 5975-00-059-3646
NSN 5999-01-147-9932