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 5920-01-189-3909
NSN 6145-01-656-3065
NSN 5985-01-169-1112
NSN 5920-00-899-3384
NSN 5835-00-289-9080
NSN 5910-01-532-3558
NSN 6130-00-706-6619
NSN 5950-00-222-6222
NSN 6135-00-819-8074
NSN 6685-00-993-5548
NSN 7035-00-205-8739
NSN 5905-00-089-5439