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 5950-00-148-7931
NSN 5975-00-665-3644
NSN 5945-01-608-3949
NSN 5996-00-456-0895
NSN 4140-01-659-1246
NSN 6240-00-408-9545
NSN 6150-01-527-5782
NSN 5960-00-289-6591
NSN 6145-01-151-2823
NSN 7035-01-577-5705
NSN 6135-01-247-5660
NSN 6645-00-574-9712