DLA AN531 REV 5-1959 SCREW TAPPING THREAD FORMING OR THREAD CUTTING 82 DEG FLAT HEAD SPACED THREAD《宽螺距平头82度螺纹切削或螺纹成型的自攻螺针》.pdf

1、“LCGH 1 7 i DETAIL OF THW -E MAXIMUM CREST OF THREAD OVER SIZE NO. 8 EQUALS 0.006 INCH. TAPEReD THWS HAVE UXFINISHED CRESTS. WLTERIAL:CARBON STEEL, CASE HARDENED, OR CORROSION-RESISTANT STEEL, TYPE WO, HARDENED. F1NISH:CARBON STEEL, CADMIUM PLATE, SPECIFICATIOli QQ-P-IiI.6, TYPE I, CLASS 3. COR30SIO

2、N-RESISTAXT STEEL, NONFi. ADD c BEFORE FIRST DASH MER FOR CORROSION-RESISTANT ST= SCREWS. ADD F BErWEZN FIRST AND SECOND DASH NUYBERS FOR SCmS WITd FLUTED OR SLOTIP) ENDS, (THFEAD CUTTIM). IF R AEPURS IN THE CODING, ADD THE F IMNEDIATELY FOLLOWING THE R. ADD R BETWEEN FIRST AND SECOND DASH NUPIBLSS

3、FOR RECESSED HEAD SCmS. EXiLTUS OF PART NUMWJLS: AN531-6-8 = N0.6,CARBON STEEL, SLOTTED HEAD, THREAD FOMIFjc ANS31-6R8 = N0.6,CARBON STEEL, RECESSED HEAD, THREAD FOME83 ScREJi, 8/16 IN LENGTH, . SCRJiX, 8/16 IN LENGTH. CUTTING SCREW, 8/16 IN LENGTH. THREAD FORMING SCREW, 8/16 IN LEWTH. THREAD FORMIN

4、G SCREW, 8/16 IN LENGTH. FLUTED OR THREAD CUTTIN3 SCW, 8/16 IN LENGTH. AN531-6RF8 = NO.d,CmBON Sm, RECESSED HEAD, FLUTED OR THREAI WS31C6-O NO. 6, CORROSION-RESISTANT STEEL, SLOTTED HEAD, ANS31C6R8 = NO. 6, CORROSION-RESISTANT STEEL, RECESSED W, AN531C6RF8 5: NO. 6, CORROSION-RESISTANT ST=, RECE;jSE

5、D HEAD, XRMS HAVItlG FIVE THREADS OR LESS MAY HAVE FINER PITCH THREADS, OR SHORTER POINTS, OR EINER PITCH THREADS AND SHOilTER POINTS, AT THE OPTION OF THE PRODUCER. SC“ “UFACTUPSRS DESIGNATION MAY BE INCLUDD ON THE SCREWS. SCREXJS SHALL BE FREX OF ALL LOOSE OR HANGING BURRS OR SLIVERS WHICH MIGHT B

6、E%OME DISLOTEED UNDER USAGE. DIXENSIONS IN INCHES. SUBJECT TO AND10087 LIMITATIONS, THE THREAD FORMING SCREWS SHOWN ON THIS DRAWING HAY BE USED WITH SPECIFICATION MIL-N-3337 SHEZT SPRING NUTS. SUBJECT TO AND10087 LIMITATIONS, THE SCRWS MAY. BE USED AS TAFPING SCREWS WITH AND10325 HOLE SI= AND AND10387 HOLE TOLERANCES. -. “ “ - RXMCWT SPECIFICATION AIR FORC-NAW ARONAUTiCAl STANDARD F!L-+&33 SCREW, TAPPING, THREAD FORKNO Oil TH- CUTTING, 82- AN53 “ . Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-