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 6130-01-371-7789
NSN 5895-00-978-9943
NSN 4140-01-551-1992
NSN 5930-00-054-9121
NSN 6130-01-546-6378
NSN 2925-01-342-1712
NSN 6150-01-418-8333
NSN 5998-01-154-2044
NSN 5935-00-702-5188
NSN 6650-01-559-3861
NSN 6620-01-466-9478
NSN 5975-01-512-8525