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 6135-00-309-0074
NSN 5855-01-555-1381
NSN 5930-00-957-6878
NSN 5915-00-996-1823
NSN 5930-01-465-5022
NSN 6650-01-061-2750
NSN 5935-01-421-4418
NSN 2925-01-299-6967
NSN 5915-01-442-6711
NSN 5975-01-580-0851
NSN 6105-00-527-8571
NSN 5965-01-460-4172