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 6645-01-599-2311
NSN 5855-01-384-7120
NSN 5930-01-477-4435
NSN 6150-01-348-8225
NSN 6145-01-113-1363
NSN 6620-01-059-0876
NSN 6240-01-018-4895
NSN 5855-01-349-8583
NSN 5925-01-399-0613
NSN 6150-01-318-9402
NSN 5925-00-446-2464
NSN 6105-00-432-2654