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 5996-00-243-1418
NSN 5925-01-425-4332
NSN 6150-01-437-8548
NSN 5985-01-112-5551
NSN 6145-01-090-7258
NSN 5905-01-508-4193
NSN 5895-01-059-0857
NSN 5999-01-478-1213
NSN 5960-00-929-1276
NSN 5915-01-192-5708
NSN 5895-01-061-7634
NSN 5925-01-158-4513