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 5910-00-485-9073
NSN 6610-01-158-7311
NSN 5930-01-387-6625
NSN 2925-01-525-8212
NSN 5990-01-582-5238
NSN 6110-01-430-9290
NSN 5935-01-224-8565
NSN 5996-01-360-4652
NSN 6645-00-536-1555
NSN 6220-00-569-0970
NSN 6240-01-145-4916
NSN 5960-01-230-8457