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 6150-00-353-1403
NSN 2925-01-129-1261
NSN 5895-01-414-0057
NSN 4140-01-606-8332
NSN 6105-01-280-5343
NSN 6150-01-642-1229
NSN 5985-00-477-5553
NSN 5935-01-577-0105
NSN 6620-01-266-8894
NSN 6220-01-272-5872
NSN 6620-00-060-6801
NSN 5996-01-376-5615