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 5990-00-625-2560
NSN 5895-01-277-1520
NSN 6610-01-621-0422
NSN 6110-00-222-3317
NSN 5999-01-434-1063
NSN 5996-01-534-9995
NSN 6220-01-501-7907
NSN 5925-01-496-6984
NSN 5965-01-058-9785
NSN 6320-01-516-3836
NSN 5965-01-189-4805
NSN 6685-00-322-2179