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 6685-00-061-6779
NSN 5925-01-438-1483
NSN 6620-00-303-9947
NSN 4140-01-462-7737
NSN 5998-01-641-6955
NSN 5950-01-551-3485
NSN 6320-01-176-8367
NSN 5935-01-023-6933
NSN 5905-01-658-0663
NSN 5895-00-621-0543
NSN 5985-00-297-7526
NSN 6685-01-634-0611