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 6145-01-442-3511
NSN 5895-01-622-0441
NSN 5960-01-024-7918
NSN 5975-01-453-0506
NSN 6650-01-379-7787
NSN 4140-01-224-6994
NSN 6130-00-573-5235
NSN 7035-00-104-7613
NSN 5835-01-060-9491
NSN 5855-00-237-4088
NSN 5999-01-556-7931
NSN 6620-00-613-3023