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 5925-00-539-8372
NSN 5915-01-429-0210
NSN 6650-01-517-9452
NSN 5905-01-650-5568
NSN 6110-01-435-8287
NSN 6110-01-017-1418
NSN 4140-01-528-5847
NSN 5915-01-360-9892
NSN 5950-01-564-1151
NSN 6645-01-657-2604
NSN 5975-01-391-9998
NSN 5945-00-269-5375