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 6135-01-388-2761
NSN 5925-00-899-0297
NSN 5998-01-139-2010
NSN 2925-00-554-6956
NSN 6110-01-546-6493
NSN 5999-00-139-3400
NSN 5975-00-183-7693
NSN 2925-00-546-3129
NSN 6220-01-551-3611
NSN 6150-00-205-6775
NSN 5999-00-577-7573
NSN 6240-01-569-0981