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 6240-00-870-0423
NSN 5895-01-479-3176
NSN 6645-01-312-9845
NSN 5975-01-470-6551
NSN 5930-01-525-7939
NSN 6150-01-320-8974
NSN 6110-01-373-1587
NSN 6650-00-925-8421
NSN 5960-01-507-9112
NSN 6130-01-398-7500
NSN 6320-01-627-8295
NSN 6610-01-139-2809