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 5935-01-485-5680
NSN 6320-01-141-3791
NSN 5930-00-018-9283
NSN 6145-01-023-2011
NSN 5920-00-234-9002
NSN 6220-01-231-9813
NSN 6145-01-292-7702
NSN 6320-01-554-0901
NSN 5855-00-237-4088
NSN 5935-00-778-8835
NSN 5935-01-653-4296
NSN 5990-00-053-1892