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 5920-01-045-1484
NSN 5990-01-160-6978
NSN 5835-00-228-9082
NSN 6320-00-433-2773
NSN 5996-01-262-6420
NSN 6145-00-105-9457
NSN 5999-01-494-7439
NSN 2925-00-947-3181
NSN 7035-01-188-5935
NSN 5930-01-006-2332
NSN 4140-00-805-0988
NSN 5915-00-947-9313