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 5920-00-319-4652
NSN 5835-01-328-6626
NSN 5855-00-361-0167
NSN 5920-00-710-2781
NSN 6130-01-298-9913
NSN 6645-01-464-4937
NSN 5905-01-534-1348
NSN 6645-01-380-6111
NSN 6685-01-004-8958
NSN 5950-00-775-8141
NSN 6135-00-862-5736
NSN 6610-00-881-5060