AIA/NAS 516-2007 pdf download FITTING, LUBRICATION, .1250 INCH DRIVE, FLUSH TYPE
QUALIFICATION INSPECTION
FOR ALL FITTINGS MANUFACTURED AFTER AUGUST 31,2007,THE MANUFACTURER SHALL PERFORMQUALIFICATION INSPECTION THE MANUFACTURER SHALL MAINTAIN ON FILE A OUALIFICATION INSPECTIONREPORT INCLUDING OUANTITY TESTED AND TEST RESULTS. THE REPORT SHALL BE MADE AVAILABLE TOTHE PROCURING ACTIVITY AS REOUIRED. ANY CHANGE IN COMPONENT MATERIALDESIGN, ORMANUFACTURING PROCESS REOUIRES A NEW OUALIFICATION INSPECTION TO VERIFY PERFORMANCESPECIFIED HEREIN. A MINIMUM OF TWENTY (20) FITTINGS SHALL BE SELECTED AT RANDOM AND TESTED.
THE FITTING SHALL OPERATE AND BE TESTED UTILIZING A TEST SET UP SIMILAR TO AS35411,FIGURE 3. THEFITTINGS SHALL BE TESTED WITH MIL-PRF-23827 GREASE AT ROOM TEMPERATURE(APPROXIMATELY 70 F)WITH A SHAFER TYPE NOZZLE PE MS24203. THE NOZZLE MUST CONTACT THE FITTING AT AN ANGLE NOTMORE THAN 15 DEGREES FROM NORMAL AND SHALL APPLY A 25-POUND MAXIMUM LOAD TO THE FITTINGPRIOR TO THE DISCHARGE OF GREASE. THE OPENING PRESSURE OF THE FITTING BALL SHALL NOT EXCEED225 PSIG.
OPERATION: THE POWER LUBRICATION SYSTEM SHALLBE CHARGED TO A PRESSUIRE OF 2000 PSIG MINIMUMTHE POWER CONTROL VALVE SHALL BE OPENED AND LUBRICANT SHALL BE DISCHARGED THROUGH THEFITTING AT A MINIMUM FLOW RATE OF 100 CC/MINUTE FOR A PERIOD OF 30 SECONDS MINIMUM. THE POWERVALVE SHALL BE CLOSED AND THE FITTING SHALL BE EXAMINED. DEFORMATION OR LOSS OF VALVEELEMENTS OR FAILURE OF GREASE TO FLOW THROUGH THE FITTING AT 100 CC/MINUTE MINIMUM DURINGTHE 30 SECOND INTERVAL SHALL BE CAUSE FOR REJECTION. THERE SHALL BE NO EVIDENCE OF DAMAGE ORBLOWOUT OF COMPONENT PARTS.REPEAT THE TEST 2 TIMES FOR EACH FITTING.
LEAKAGE: THE FITTING,WHEN EXPOSED TO 500 PSIG MINIMUM BACK PRESSURE USING A POWERLUBRICATION SYSTEM SIMILAR TO AS35411, FIGURE 2, SHALL NOT EXCEED 1 CCMINUTE LEAKAGE RATE.
NOTES:
THESE FLUSH LUBRICATION FITTINGS ARE INTENDED FOR USE WHERE ENVELOPE AND CLEARANCES WILINOT PERMIT THE USE OF THE PROTRUDING AS35411 STYLE LUBRICATION FITTINGS.0FITTINGS TO BE INSTALLED IN A REAMED .1250 (+.0015,-.0000) DIA HOLEDIMENSIONS IN INCHES.TOLERANCES UNLESS OTHERWISE SPECIFIED DECIMALS.+/-.010.ANGLES +/- 35NAS516-1 INACTIVE FOR DESIGN AND PROCUREMENT AFTER DECEMBER 31,1975. SUPERSEDED BY NAS516-1A.NAS516-IP IS INACTIVE FOR DESIGN AND PROCUREMENT, SEE NAS516-1A OR NAS516-1J.61WEIGHT .0005 LB MAXIMUM FOR ALL CONFIGURATIONS8APPLY LUBRICANT WITH A SHAFER TYPE NOZZLE PER MS242039UNLESS OTHERWISE SPECIFIED, PART INVENTORY MANUFACTURED TO PREVIOUS REVISIONS OF THEAPPLICABLE DRAWING OR SPECIFICATION MAY BE PROCURED AND USED UNTIL STOCK IS DEPLETED10. THIS STANDARD TAKES PRECEDENCE OVER DOCUMENTS REFERENCED HEREIN.11. REFERENCED DOCUMENTS SHALL BE THE ISSUE IN EFFECT ON DATE OF INVITATIONS FOR BID.

Share on Facebook

Post on X

Follow us

Save