This sae aerospace standard as defines cleanliness levels for particulate. The beacons are subjected to intensive colour and photometric testing as part of the standard, however crucially, a beacon does not pass unless it also passes a series of mechanical and environmental tests as well. The sae aerospace standard as as4059d defines cleanliness classes for. As4059 class 6b f requires that the particles be counted in all sizes b through f and that the counts for each size shall be less than the maximum permitted per 100 ml for class 6. Sae as 4059e2005 aerospace fluid power cleanliness. Current specifications, like those based on a single number, for instance nas 1638 class 6, can be swapped to as4059 class 6b through f to provide the same control over the 5 to 100 msize range, or perhaps even updated to reflect current and modern requirements. Compound selections for commonly used sae and astm specifications. As4059 class 6bf requires that the particles be counted in all sizes b through f.
For specific technical data, refer to sae 100r14 specifications sae 100r14 p. The figures are differential counts, and the nas class is usually reported as a single figure. Chemical compositions of sae carbon steels ground vehicle. Based on the range of viscosity the oil falls in at that temperature, the oil is graded as sae viscosity grade 20, 30, 40, 50, or 60. Sae as4059 is the standard that regulates fuel cleanliness in the us and canada. The contamination classes selected are based on the widely accepted nas 1638 cleanliness classes. By the authority vested by part 5 of the united states code 552a and part 1 of the code of regulations 51 the attached document has been duly incorporated by reference and shall be considered legally binding upon all citizens and residents of the united states of america. Revision f of this standard has been prepared to include comments received from the international community, principally to simplify the coding system to either a single number contamination class that is the same as the obsolete nas 1638 class, or as a contamination code indicating the contamination levels at a number of distinct particle size ranges. Our policy towards the use of cookies techstreet, a clarivate analytics brand, uses cookies to improve your online experience. These cast or heat limits or ranges are subject to standard variations for product analysis as given in sae j409. The contamination classes selected are based on the widely accepted nas 1638 cleanliness. The sae aerospace standard as as4059d defines cleanliness classes for particulate contamination of hydraulic fluids and includes methods of reporting related data.
Enermech will ensure that fluids used within umbilicals are cleaned to the required specification. Description sae ams 6415 steel, bars, forgings, and tubing 0. This sae aerospace standard as defines cleanliness classes for particulate contamination of hydraulic fluids and includes methods of reporting related data appendix a. The contamination classes selected are an extension ofbased on the widely accepted nas 1638. This concept gives as much more flexibility than sae as 4059 class 6b f possible with nas because it is often the control of the sae as 4059 class 6b f level that specifiers require rather than a fixed distribution. For continuous testing until the nas1638 as4059e1 class is. Aerospace fluid power contamination classification for. Single braid of 303304 series stainless steel wire temperature. The higher the viscosity, the higher the sae grade is. Hydac 02078475 htms sae 32 100 hydraulic strainer 39 gpm flow rate, 149 micron filter rating, sae 21212 in port size. Sae class 1 lights are 4 times more intense than sae class 2 lights and 10 times more intense than sae class 3 lights. Umbilical cleanliness management and umbilical flushing. I was at carquest this morning and they have 5 qts of pennz 20w20 on the shelf.
This specification covers all aspects in electrical wire interconnection systems ewis from the selection through installation of wiring and wiring devices and optical cabling and termination devices used in aerospace vehicles. Ive read that some oils slip the clutch and magnetic ones should also be avoided. The table below shows the number of particles100 ml fluid. By order of the executive director office of the federal register washington, d. Current specifications, like those based on a single number, for instance nas 1638 class 6, can be swapped to as4059 class 6b through f to provide the same. Candela values in this class range from 1981 cd to 8099 cdsm. Sae class 2 warning lights sae class 2 warning lights are commonly used on utility and service vehicles moving at or below the speed of traffic. Usa astm a27698b 420 sae 51420 aisi 420 uns s42000 chemical composition min.
Conversion from nas 1638 classes to as4059 classes is defined. A class may be designated for each size from a through f. Quantifying fluid cleanliness bsf filtertechniek bv. Aerospace fluid power cleanliness classification for hydraulic fluids as4059e. A comparison of nas 1638 and iso 4406 cleanliness codes the nas system was originally developed in 1964 to define contamination classes for contamination contained in aircraft components. In addition, for sae grades 20, 30, and 40, a minimum viscosity measured at 150 c and at a highshear rate is also required.
This itt product line has a 60 year legacy of delivering uncompromisingdurability and value, and continues to meet todays demanding design requirements for a broad range ofcustomer applitions. This report is published by sae to advance the state of technical and engineering sciences. Hydraulics manual 1989, table 21, navy standard for particulate. Isonas sae code comparison table the comparisons relate to particle count data only. Installing laspacview software refer to the laspacview user.
The conversion from nas 1638 cleanliness class specifications to as4059 class specifications is defined. Protect your eyes and face with welding helmet properly fitted and with proper grade of filter plate see ansi z49. Since aisi is no longer issuing steel grade designations, grades listed in this document are sae grades. Sae class 1 is the highest possible standard for omnidirectional emergency warning lighting, but its more than just light output. Any advice which doesnt break the bank its for the honda cheers. Specifyingthehighest cleanlinessclassmeasured example. Typically, we will clean fluids to the below standards. The information reproduced on this and the previous table is a brief extract from sae as4059 rev. Class 1 nipple fitting threads shall be lubricated using dry film lubricant conforming to sae as1701 or as5272 or milprf46010. Practical contamination management fromprocessing todelivery.
The contamination classes selected are based on the widely accepted older nas 1638 cleanliness classes. Sae as 4059 equivalent iso 4406 class based on iso 4406. This example provides the same results as as4059 class 6, per 3. Manual and follow the cd installation instructions. Jul 24, 20 class 1 clearing traffic 18,000 cdsm class 2 blocking traffic 4,500 cdsm 25% of class 1 class 3 identification only 1,800 cdsm 10% of class 1 as you can see, there is a very dramatic difference between class 1 and 2. Total motor oil 40 units sae grade 40 volumetric mass at 15c kgm3 898 viscosity at 100c mm. Aerospace fluid power cleanliness classification for. To conform to any particular standard, reference should be made to the recommended experimental procedure. The most common classification methods follow iso 4406 and sae as 4059. The mildtl 5015 saeas50151 connector series provides a cost effective solution for use in both industrial and military applications. Fluid control contamination handbook schroeder industries.
Aerospace fluid power cleanliness classification for hydraulic fluids as4059. The use of this report is entirely voluntary, and its applicability and suitability for any particular use, including any patent infringement arising therefrom, is the sole responsibility of the user. The contamination classes selected are an extension ofbased on the widely accepted nas 1638 cleanliness classes. Sae as 4059 table 1 class 1 to 10 derived from nas 1638 sae as 4059 table 2 class 6 m 1b to 10b 14 m 1c to 10c fluid water content monitoring range. The comparison of the nas 1638 classes to as4059 classes and levels is provided and are defined and the differences explained appendix b. Sae as 4059e2005 aerospace fluid power cleanliness classification. Particle contamination level by class particles per 100ml. T his sae aerospace standard as defines cleanliness classes for particulate contamination of hydraulic fluids and includes methods of reporting related data appendix a. It is the latest revision of the now defunct nas 1638 code, which was developed in 1964 to define classes of particulate contamination in aircraft components and hydraulic fluids, but has been invalid since 2001 and has since been replaced by sae as4059. The class designation shall be the class number followed by the letter codes representing the particle sizes analyzed. Conversion from nas 1638 cleanliness class specifications to as4059 class specifications is defined. The cast or heat chemical composition limits or ranges of these grades are given in tables 1, 2, 3a, and 3b. The application of this standard was extended to industrial hydraulic systems as nothing else existed at the time.