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 6645-00-179-8676
NSN 5965-01-185-7354
NSN 5998-01-660-2975
NSN 2925-01-500-4952
NSN 5935-01-165-0181
NSN 5910-00-163-9940
NSN 6650-00-056-1581
NSN 6320-01-519-8767
NSN 5915-01-298-9916
NSN 5930-01-595-2700
NSN 6650-01-613-1086
NSN 6135-00-793-1809