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 5965-00-539-7778
NSN 5930-01-451-3752
NSN 6645-01-491-5553
NSN 5996-01-201-4500
NSN 5920-00-694-0483
NSN 5945-01-584-0059
NSN 2925-00-241-5244
NSN 5915-00-543-9675
NSN 6685-01-463-7229
NSN 5905-01-552-3764
NSN 5998-01-474-2791
NSN 4140-00-406-4369