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 5975-01-161-6531
NSN 5895-00-001-7072
NSN 2925-01-577-0004
NSN 5895-01-545-3696
NSN 6620-01-085-2915
NSN 5930-01-477-8408
NSN 5999-00-761-3638
NSN 6620-00-527-9280
NSN 6130-00-549-2607
NSN 5855-01-112-7725
NSN 5905-01-095-7920
NSN 6110-01-527-5662