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 5996-01-570-9022
NSN 5998-00-906-7379
NSN 5905-00-533-1112
NSN 6130-00-166-7934
NSN 5855-01-585-7877
NSN 5935-01-370-3305
NSN 5920-01-446-1123
NSN 6620-01-221-7784
NSN 6610-01-140-8163
NSN 6145-01-430-2487
NSN 2925-01-607-7754
NSN 7035-01-540-5029