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 5905-01-088-7951
NSN 5925-00-546-3258
NSN 5895-00-222-5043
NSN 5999-01-288-2343
NSN 5999-00-394-6606
NSN 5975-00-371-6592
NSN 6620-00-773-0720
NSN 6620-01-157-9267
NSN 5855-01-023-3727
NSN 6610-00-614-7943
NSN 6105-00-099-8818
NSN 6240-01-327-7269