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 5915-01-474-6894
NSN 4140-01-369-9921
NSN 2925-01-359-4027
NSN 5930-01-599-9643
NSN 5855-00-287-5870
NSN 6645-00-780-5260
NSN 6650-01-360-6577
NSN 5855-01-590-3323
NSN 5965-00-226-7870
NSN 5855-00-401-3442
NSN 6145-01-198-5916
NSN 6320-01-116-3980