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 5905-01-252-5741
NSN 5855-00-896-4047
NSN 5925-01-576-9256
NSN 5920-01-592-0161
NSN 6240-00-080-2012
NSN 5985-01-495-1449
NSN 5990-00-678-6006
NSN 5925-01-274-1006
NSN 5935-00-269-5516
NSN 6135-01-479-9783
NSN 6645-01-471-4960
NSN 6240-01-566-3241