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 5925-01-228-3036
NSN 5990-01-105-5336
NSN 6220-01-250-7228
NSN 6135-00-938-1351
NSN 5925-00-020-8917
NSN 5996-00-470-3861
NSN 5855-01-618-9749
NSN 4140-01-121-2182
NSN 5930-01-430-9596
NSN 6135-01-386-5709
NSN 5950-01-653-2563
NSN 5925-01-357-7027