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 2925-01-248-6028
NSN 6135-00-100-8890
NSN 6150-01-524-1916
NSN 6105-01-159-9508
NSN 4140-01-606-9953
NSN 5855-01-469-2798
NSN 5998-01-059-5234
NSN 5930-01-601-5955
NSN 4140-01-604-0564
NSN 5975-01-311-9021
NSN 2925-01-090-2391
NSN 6650-00-801-0547