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 5965-01-408-5990
NSN 6135-00-477-8847
NSN 5990-01-147-5225
NSN 5925-01-643-0976
NSN 6145-00-105-1239
NSN 6610-01-059-1330
NSN 6110-01-446-7482
NSN 6240-00-468-7089
NSN 2925-00-149-0760
NSN 6145-01-065-0799
NSN 5990-00-905-6472
NSN 6620-01-051-2045