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 6610-00-374-1563
NSN 6145-01-029-9026
NSN 5998-00-817-4133
NSN 5925-00-888-1380
NSN 5895-01-413-4422
NSN 6685-00-760-5235
NSN 5998-01-051-2595
NSN 6610-00-012-8072
NSN 5985-00-008-2032
NSN 6145-01-659-2188
NSN 6150-01-630-2678
NSN 6105-01-620-2777