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 4140-00-918-5162
NSN 6620-01-486-8002
NSN 6220-01-258-5466
NSN 5945-01-167-8498
NSN 5998-01-601-7861
NSN 5990-00-422-2093
NSN 6135-01-187-4382
NSN 5855-01-604-6106
NSN 5998-01-266-8090
NSN 6685-00-618-2146
NSN 5905-01-289-6922
NSN 6240-00-299-9819