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 4140-01-381-0099
NSN 6135-01-408-9244
NSN 5855-01-059-2710
NSN 4140-01-555-8190
NSN 6220-01-315-6283
NSN 5835-01-626-9603
NSN 5999-00-071-5058
NSN 6145-01-037-9291
NSN 6150-01-397-7417
NSN 5990-01-658-9964
NSN 5950-00-595-5546
NSN 5950-00-532-2529