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 5996-01-508-7222
NSN 5985-00-012-0286
NSN 6240-01-273-0193
NSN 5985-01-592-4823
NSN 7035-01-502-9967
NSN 5935-00-949-8236
NSN 6110-01-576-8832
NSN 7035-01-204-7481
NSN 6220-01-624-2129
NSN 6685-00-324-7703
NSN 6320-01-176-8367
NSN 5855-01-541-8659