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 2925-00-862-8550
NSN 6145-01-340-7589
NSN 5925-01-011-1263
NSN 6685-01-605-2497
NSN 6105-01-446-1914
NSN 6150-01-196-8189
NSN 5998-00-998-0549
NSN 4140-00-679-9512
NSN 6320-00-432-2772
NSN 6135-00-248-4102
NSN 5855-00-004-0904
NSN 6645-01-574-5188