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 6220-00-332-9408
NSN 6145-01-018-1752
NSN 6620-00-816-9755
NSN 6145-00-947-5883
NSN 6220-01-548-8660
NSN 2925-01-553-0181
NSN 6135-01-219-5231
NSN 6145-00-403-0807
NSN 5835-00-954-2833
NSN 6220-00-227-0528
NSN 5990-01-272-4091
NSN 6610-00-893-5776