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 5930-00-058-9592
NSN 6620-01-133-4193
NSN 2925-01-648-6859
NSN 6650-01-300-6116
NSN 5975-01-445-6261
NSN 6145-01-063-5179
NSN 5990-01-133-0351
NSN 6320-01-648-5538
NSN 5996-01-299-7792
NSN 7035-01-364-0286
NSN 2925-01-049-8906
NSN 6645-01-084-9074