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 6150-00-809-9114
NSN 5945-01-326-8551
NSN 6220-01-643-5601
NSN 5960-00-669-9793
NSN 6240-00-483-1338
NSN 6110-00-530-3779
NSN 6620-01-136-5492
NSN 5930-01-228-3924
NSN 5960-00-421-1054
NSN 6620-01-003-2905
NSN 5920-00-369-0923
NSN 5925-01-524-2585