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 4140-01-527-7878
NSN 4140-01-256-0910
NSN 6650-01-037-9755
NSN 5998-00-594-3966
NSN 6685-01-473-8393
NSN 5990-01-009-3634
NSN 5950-01-441-8711
NSN 5965-00-756-0457
NSN 2925-00-839-6815
NSN 4140-01-390-3333
NSN 6220-00-574-6460
NSN 6645-00-510-6643