For class 150 lb steel gate valve
A circular shaped item with an aperture manufactured to predetermined dimensions and designed for use as a seal in stuffing boxes, packing nuts, and the like. It may be (1) any nonmetallic molded or formed ring (except solid (without joint) rings having a square or rectangular cross section); or (2) any shredded metal or metal foil type metallic or semimetallic rings. Excludes felt items but includes multimaterial items in which one of the materials is felt. For solid (without joints) nonmetallic items with a square or rectangular cross section, see washer (as modified) and gasket. For rubber items specifically designed for weather-proofing doors, windows, chests, and the like see seal, nonmetallic angle; seal, nonmetallic channel; and seal, nonmetallic, special shaped section. For circular (with aperature) nonmetallic items with a solid round cross-section see o-ring. Excludes cup, compression; gasket; washer (as modified); and felt, mechanical, preformed.
Classification: Gaskets,washers & other seals
NSN 5855-00-014-5008
NSN 6320-01-399-6177
NSN 6620-01-246-4314
NSN 4140-00-411-4720
NSN 6220-01-566-4870
NSN 6110-00-834-4756
NSN 6130-00-216-0281
NSN 5895-01-406-8588
NSN 6650-01-062-0828
NSN 5960-00-597-2680
NSN 6685-01-371-0084
NSN 5945-00-964-0689