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 6135-01-271-3966
NSN 5965-01-604-0409
NSN 4140-00-991-8849
NSN 2925-00-831-7024
NSN 5935-01-067-7937
NSN 6650-01-555-8349
NSN 5985-01-628-5071
NSN 6685-01-438-6747
NSN 6240-01-125-4881
NSN 6650-00-184-1581
NSN 5920-00-412-0022
NSN 6240-01-287-6785