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 6645-01-641-4998
NSN 6150-00-155-3578
NSN 5855-01-199-2046
NSN 6620-00-247-7427
NSN 4140-00-264-5796
NSN 6610-00-654-0273
NSN 6110-01-610-5524
NSN 6130-00-631-5026
NSN 6150-01-551-7471
NSN 5910-00-020-3401
NSN 5950-01-547-1863
NSN 4140-00-940-9595