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 5975-01-568-9939
NSN 5945-01-145-7988
NSN 6145-01-158-7858
NSN 5998-01-519-8771
NSN 6620-00-237-9395
NSN 5920-01-499-1255
NSN 5895-00-470-4378
NSN 5905-01-583-6745
NSN 6110-00-863-3855
NSN 5895-00-231-1461
NSN 5855-01-413-5645
NSN 5910-00-067-4415