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 6320-01-532-7491
NSN 6145-01-089-7207
NSN 5925-00-926-0863
NSN 5935-01-421-4158
NSN 5945-00-158-7462
NSN 6650-01-627-1480
NSN 6135-01-205-5965
NSN 5975-01-269-3354
NSN 5935-00-407-6830
NSN 6610-00-594-6372
NSN 2925-01-350-8372
NSN 5930-00-708-6671