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 6320-01-425-1417
NSN 6610-01-027-1641
NSN 6620-01-456-0529
NSN 5855-00-832-9341
NSN 5895-01-104-1848
NSN 5930-00-265-3742
NSN 6620-01-050-2866
NSN 4140-01-165-4561
NSN 5855-00-237-4088
NSN 2925-00-480-9068
NSN 5855-01-346-7682
NSN 5996-00-988-8043