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 6145-00-590-8642
NSN 6110-00-934-7943
NSN 2925-01-143-4229
NSN 6610-01-442-3509
NSN 6620-01-411-5461
NSN 7035-01-534-7074
NSN 5985-01-493-3675
NSN 5920-01-451-7533
NSN 6240-00-569-5854
NSN 5985-00-052-0818
NSN 6135-01-274-3546
NSN 6610-01-240-3427