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 5910-01-524-6992
NSN 5975-01-279-7506
NSN 7035-01-176-7523
NSN 5925-01-435-1402
NSN 5930-01-510-3497
NSN 5930-01-140-5600
NSN 6220-01-191-7643
NSN 4140-01-660-9787
NSN 6320-01-484-7734
NSN 2925-01-078-7854
NSN 4140-00-067-7460
NSN 5910-01-442-3287