No other part numbers with same form, fit, and function found.
A round flexible sheet, which is part of the negative and positive pressure control valves. Its function is to form a tight seal over the adjusted circular openings in the control valves during part of the operating cycle.
NSN 5999-01-423-9396
NSN 5855-01-395-7429
NSN 6130-00-912-0410
NSN 5905-01-414-6970
NSN 6145-00-679-6470
NSN 6220-00-789-0024
NSN 5920-01-357-8233
NSN 6145-00-301-9124
NSN 5990-01-430-3152
NSN 5910-01-502-9833
NSN 5930-00-052-7718
NSN 6240-01-044-7384