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 6645-01-338-9152
NSN 6135-00-235-1938
NSN 5855-01-600-8134
NSN 6685-01-338-3249
NSN 5996-01-240-7085
NSN 5925-01-567-5307
NSN 5910-00-806-7485
NSN 4140-00-089-0490
NSN 5960-01-127-0246
NSN 6220-01-207-0523
NSN 6110-00-850-2860
NSN 6220-01-450-3518