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 5975-01-130-0519
NSN 5999-01-063-7408
NSN 6620-01-361-4796
NSN 6610-01-659-1485
NSN 5950-00-908-4251
NSN 5895-01-140-9663
NSN 4140-00-540-6731
NSN 6135-01-510-4663
NSN 5998-01-620-9210
NSN 5960-01-292-0027
NSN 6130-01-222-1541
NSN 5855-01-400-1590