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 5975-00-914-5242
NSN 5965-00-170-5254
NSN 5895-01-254-2749
NSN 6685-01-181-6232
NSN 5915-01-369-7380
NSN 5935-00-720-2470
NSN 5960-01-122-1101
NSN 5965-00-903-6298
NSN 5999-00-694-4185
NSN 4140-00-856-8115
NSN 5910-01-471-3168
NSN 6150-01-284-8421