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 6320-01-643-0850
NSN 6145-01-166-3714
NSN 5998-00-935-2510
NSN 6150-00-553-4722
NSN 5998-00-155-6002
NSN 6145-01-530-2344
NSN 6645-01-106-6369
NSN 4140-01-384-4143
NSN 5999-01-572-8748
NSN 5930-01-101-5752
NSN 6650-01-467-2355
NSN 5975-00-472-7778