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 6685-01-321-7931
NSN 5905-01-442-3473
NSN 2925-01-502-5896
NSN 6135-01-386-5709
NSN 6150-01-239-8021
NSN 5990-01-516-9665
NSN 6220-00-225-8345
NSN 5990-01-411-5930
NSN 6620-00-873-9825
NSN 6135-00-044-3860
NSN 5960-00-839-1529
NSN 6685-00-824-6146