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 6320-00-977-3930
NSN 5996-00-491-9304
NSN 4140-01-492-5999
NSN 7035-00-155-9513
NSN 5855-01-325-3380
NSN 4140-01-327-3241
NSN 6240-00-253-7611
NSN 5985-01-113-6753
NSN 2925-01-464-3093
NSN 5835-00-617-3578
NSN 6145-01-156-3845
NSN 6220-01-507-4799