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 6150-01-139-5283
NSN 2925-01-474-3363
NSN 6645-01-359-7875
NSN 5910-01-254-5208
NSN 6650-01-594-7846
NSN 5950-01-012-1457
NSN 5915-01-007-3265
NSN 6650-01-422-7106
NSN 5920-00-460-2899
NSN 5835-01-622-2556
NSN 5835-00-402-8387
NSN 5835-01-629-2044