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 5925-00-803-4424
NSN 2925-01-327-3069
NSN 5985-00-452-0157
NSN 5945-01-215-1190
NSN 5985-01-513-6157
NSN 5910-01-378-7026
NSN 5975-01-146-4796
NSN 5920-00-284-7780
NSN 6650-00-259-2605
NSN 5975-00-458-3038
NSN 5999-01-266-2025
NSN 6610-00-079-8692