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 5930-01-078-2429
NSN 5990-00-763-5526
NSN 6685-01-360-0374
NSN 5915-01-252-6912
NSN 5999-01-621-7403
NSN 6145-00-398-4405
NSN 5975-01-621-2197
NSN 5960-00-565-9133
NSN 5855-00-560-0110
NSN 5985-01-096-8750
NSN 6220-00-956-0565
NSN 6685-01-099-8539