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 6110-01-268-1723
NSN 6135-00-906-0984
NSN 5960-01-325-2241
NSN 5920-00-111-2375
NSN 6685-01-551-3536
NSN 5925-00-035-8469
NSN 6135-01-026-9960
NSN 6240-01-101-4413
NSN 5950-00-761-1184
NSN 5996-00-142-9033
NSN 6145-01-308-0196
NSN 5975-01-272-3771