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 5930-01-103-9467
NSN 5960-01-553-4557
NSN 6135-00-715-4001
NSN 6685-01-648-0417
NSN 6110-00-113-1415
NSN 6145-01-067-1408
NSN 6645-01-463-4314
NSN 5999-00-679-9934
NSN 5855-00-323-0967
NSN 5975-01-634-0678
NSN 6240-00-968-9274
NSN 6320-01-549-3153