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 6645-00-979-6824
NSN 6610-01-246-4164
NSN 6320-01-266-1612
NSN 5999-00-136-9545
NSN 6135-01-550-2518
NSN 6320-01-250-0290
NSN 5925-00-857-4850
NSN 5935-01-519-9349
NSN 4140-01-281-3456
NSN 2925-01-327-3069
NSN 6650-00-945-9105
NSN 5985-01-373-4466