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 6620-00-332-5550
NSN 7035-01-658-1623
NSN 6110-01-268-8630
NSN 5985-01-385-6632
NSN 6110-01-199-9916
NSN 5990-01-234-0789
NSN 5915-00-076-9314
NSN 5915-01-514-5205
NSN 6130-01-141-4929
NSN 5975-01-642-3714
NSN 5855-01-235-5491
NSN 5935-01-351-9483