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 5920-01-297-4395
NSN 5975-01-254-8555
NSN 4140-01-050-9739
NSN 5975-01-646-8451
NSN 5965-00-179-7886
NSN 5925-01-253-0066
NSN 5950-00-816-2457
NSN 5990-00-254-4825
NSN 6150-00-619-1711
NSN 5950-01-446-5751
NSN 6620-01-388-8955
NSN 4140-00-128-8072