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 5910-00-184-8249
NSN 5990-00-455-9865
NSN 6320-01-376-2778
NSN 6150-01-204-1603
NSN 5996-01-280-9922
NSN 6150-00-570-3437
NSN 5855-01-163-8152
NSN 6135-01-319-5567
NSN 6610-01-167-6617
NSN 5965-01-276-4650
NSN 6145-00-840-2021
NSN 5915-01-106-3511