Ref literature pump repair parts dv-42n through dv-285n series page 67 ref 6
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 5965-01-527-5981
NSN 5945-01-119-1352
NSN 6240-01-084-8098
NSN 5910-01-478-5496
NSN 5895-01-005-1236
NSN 5930-01-510-4475
NSN 5855-01-298-9835
NSN 6620-01-316-4343
NSN 5835-00-289-9080
NSN 5996-01-633-7979
NSN 6645-01-067-0780
NSN 6150-01-469-6128