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 5925-01-504-7731
NSN 6105-00-466-0404
NSN 5945-01-550-5335
NSN 6320-00-432-2772
NSN 5905-01-353-9889
NSN 5975-01-110-8425
NSN 5895-00-686-2029
NSN 5920-01-646-6491
NSN 5835-00-155-1379
NSN 6645-01-193-1277
NSN 6110-00-163-2848
NSN 6135-00-078-9931