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 6220-01-109-7379
NSN 2925-00-275-1807
NSN 6610-01-062-9994
NSN 2925-01-206-6063
NSN 6650-00-684-3060
NSN 5925-01-557-1230
NSN 5996-01-322-4838
NSN 5835-01-604-7489
NSN 5905-01-446-6782
NSN 5905-01-442-7682
NSN 5935-00-892-3059
NSN 6145-01-234-6442