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 5965-01-527-5012
NSN 6620-00-816-9755
NSN 6105-01-623-6204
NSN 6645-01-440-8624
NSN 6620-01-254-7963
NSN 7035-01-323-0164
NSN 2925-00-005-1618
NSN 5925-01-038-7925
NSN 4140-01-466-7195
NSN 5930-00-922-1621
NSN 5990-01-208-1101
NSN 5920-01-160-6050