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 5990-01-312-2638
NSN 6645-01-064-3711
NSN 2925-00-473-9532
NSN 5985-01-586-2760
NSN 5935-00-876-9380
NSN 4140-00-267-8813
NSN 5925-01-483-3361
NSN 5935-00-186-2792
NSN 5925-01-006-1222
NSN 5960-01-094-9540
NSN 5920-01-607-0771
NSN 5835-01-235-5061