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 6620-00-625-7248
NSN 5960-01-044-3798
NSN 6150-01-135-7896
NSN 5965-01-392-1761
NSN 5835-01-619-6270
NSN 5895-00-243-6649
NSN 6610-00-305-5447
NSN 5950-00-946-8131
NSN 5975-00-410-8835
NSN 6145-00-959-5897
NSN 5960-01-485-7532
NSN 6645-01-462-2101