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 5835-01-076-8445
NSN 6240-01-474-5446
NSN 5920-00-773-1282
NSN 6110-00-621-3475
NSN 6645-00-961-5477
NSN 6610-01-212-8854
NSN 5920-01-332-6414
NSN 6135-00-196-5267
NSN 6135-01-526-3227
NSN 5985-01-007-2311
NSN 6320-01-209-0952
NSN 5945-01-048-9774