NF C93-547-6-2004 液晶和固态显示设备.第6部分:液晶模数的测量方法.传送类型

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Product Code:SAE AS8016
Title:Vertical Velocity Instrument (Rate-Of-Climb)
Issuing Committee:A-4 Aircraft Instruments Committee
Scope: This AS covers vertical velocity instruments which display the rate of change of pressure altitude of an aircraft, as follows: type A - direct reading, self-contained, pressure actuated; type B - electrically or electronically operated, self-contained, pressure actuated; and type C - electrically or electronically operated, input from a remote pressure sensor. The range of operation of the instrument and the altitude range when applicable shall be as marked on the instrument face or nameplate. This Aerospace Standard (AS) establishes the minimum performance standards for vertical velocity instruments for aircraft use.Product Code:SAE J476
Title:Dryseal Pipe Threads
Issuing Committee:Fasteners Committee
Scope:The Dryseal American Standard Taper Pipe Thread, the Dryseal American Fuel Internal Straight Pipe Thread and the Dryseal American Intermediate Internal Straight Pipe Thread covered by this standard conform with the American Standard ASA-B2.2. The Dryseal SAE-Short Taper Pipe Thread in this standard conforms with the Dryseal American Standard Taper Pipe Thread except for the length of thread, which is shortened for increased clearance and economy of material.The significant feature of the Dryseal thread is controlled truncation at the crest and root to assure metal to metal contact coincident with or prior to flank contact. Contact at the crest and root prevents spiral leakage and insures pressure-tight joints without the use of a lubricant or sealer. Lubricants, if not functionally objectionable, may be used to minimize the possibility of galling in assembly.