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 5990-01-426-7350
NSN 6320-01-622-5493
NSN 5996-01-561-1367
NSN 6240-01-351-6729
NSN 6610-00-907-9801
NSN 7035-01-538-4444
NSN 6685-01-557-7742
NSN 5920-01-276-1129
NSN 6620-01-047-5831
NSN 5985-00-542-0597
NSN 7035-01-145-5059
NSN 5925-01-367-6118