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 6150-00-061-3106
NSN 4140-00-703-0428
NSN 6110-00-155-4303
NSN 6685-01-395-9156
NSN 5945-01-251-5023
NSN 5930-01-096-1873
NSN 6240-01-078-2462
NSN 5930-01-501-4199
NSN 2925-01-049-8906
NSN 6135-01-465-2681
NSN 5975-00-827-7426
NSN 6620-00-979-6860