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 5985-01-025-4485
NSN 5960-01-151-4518
NSN 5965-00-255-3889
NSN 4140-00-688-7522
NSN 6145-00-840-8510
NSN 4140-01-180-8950
NSN 2925-01-539-9795
NSN 6650-00-891-9850
NSN 2925-00-724-9252
NSN 5835-00-987-9341
NSN 6110-01-543-5904
NSN 6650-01-120-6231