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 5925-00-926-8425
NSN 6135-01-531-1413
NSN 6220-01-497-0272
NSN 6685-00-904-3349
NSN 6620-01-063-1441
NSN 4140-01-541-4286
NSN 5960-01-303-0301
NSN 6685-01-065-3511
NSN 5985-01-322-6182
NSN 6145-01-315-5591
NSN 6320-00-476-6898
NSN 5920-00-636-4713