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 6220-01-395-6252
NSN 6645-00-032-5730
NSN 5965-00-836-2690
NSN 6240-00-838-5981
NSN 5945-01-292-4928
NSN 7035-00-205-1932
NSN 5975-01-282-9352
NSN 6220-00-318-7755
NSN 5920-00-125-1316
NSN 5895-01-485-0256
NSN 6240-00-483-1338
NSN 5996-00-814-4433