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 5835-00-244-4956
NSN 5935-01-146-8558
NSN 6650-01-381-2972
NSN 6105-01-501-0150
NSN 2925-00-210-3873
NSN 5960-01-011-6358
NSN 4140-01-082-1658
NSN 6150-01-534-6420
NSN 7035-00-703-3535
NSN 5910-01-299-4462
NSN 5920-01-653-7981
NSN 5950-00-500-4198