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 5855-00-256-5562
NSN 5935-00-529-0407
NSN 5945-01-234-8056
NSN 6620-01-295-5341
NSN 6130-00-523-1859
NSN 6685-01-020-2123
NSN 5998-00-226-0387
NSN 2925-01-175-1217
NSN 5999-01-510-3783
NSN 6645-00-887-0122
NSN 5950-01-429-9726
NSN 6145-01-004-5090