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 6135-00-203-9645
NSN 6220-00-410-9233
NSN 5985-01-249-0016
NSN 4140-00-003-6097
NSN 6610-01-335-3185
NSN 6610-01-583-4539
NSN 5910-00-257-4693
NSN 6130-00-677-9267
NSN 6150-00-964-3323
NSN 5999-01-063-0026
NSN 5985-01-066-9012
NSN 5920-01-536-1534