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 5920-01-187-2267
NSN 5905-01-567-0679
NSN 6240-01-086-9789
NSN 5920-01-423-4775
NSN 6135-00-008-5345
NSN 5855-00-455-6070
NSN 5975-01-617-8447
NSN 5975-01-124-9966
NSN 6320-01-451-0821
NSN 6145-00-140-8226
NSN 5996-00-947-0804
NSN 5835-01-044-2628