Air operated diaphragm pump air valve seal
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 5915-01-293-1069
NSN 4140-00-501-7833
NSN 6645-00-955-7997
NSN 5855-01-492-5666
NSN 5930-00-030-6726
NSN 6650-00-287-5868
NSN 4140-01-270-1067
NSN 6150-00-557-3932
NSN 5855-01-177-4751
NSN 5975-01-393-1095
NSN 6320-01-501-7935
NSN 5965-01-445-3564