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 4140-01-377-3471
NSN 5855-00-237-4088
NSN 6650-00-647-1085
NSN 6110-01-485-3312
NSN 6685-01-560-8775
NSN 5930-01-448-5672
NSN 4140-00-045-8117
NSN 6110-00-422-4973
NSN 5855-01-497-0467
NSN 6105-00-904-7464
NSN 6645-01-014-0793
NSN 5920-00-549-2203