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 5930-01-419-5925
NSN 5915-01-604-1320
NSN 5920-01-422-1445
NSN 6620-01-319-8178
NSN 5960-00-262-0742
NSN 5920-01-054-7230
NSN 5950-01-061-5343
NSN 6620-01-533-8251
NSN 7035-01-271-1643
NSN 5960-01-127-5425
NSN 5925-01-210-9765
NSN 5950-00-281-2389