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 5920-00-918-7550
NSN 5930-01-634-0659
NSN 6220-01-025-0482
NSN 5915-00-661-2223
NSN 6685-01-470-2017
NSN 6240-01-472-2950
NSN 4140-01-031-6391
NSN 5930-01-468-9079
NSN 7035-00-981-7216
NSN 5925-01-350-3646
NSN 5915-01-145-4989
NSN 5905-01-577-6471