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 5910-01-621-6885
NSN 5930-00-165-4292
NSN 6645-01-303-8336
NSN 5895-01-211-9779
NSN 6240-01-533-6303
NSN 5855-00-532-0025
NSN 2925-01-604-8984
NSN 6610-00-924-0804
NSN 5905-00-398-0778
NSN 6645-00-952-4509
NSN 5910-01-507-1197
NSN 5998-01-310-8739