DLA AN148951 THRU AN149050 REV 3-1986 BOLT-SOCKET HEAD 6 HOLES DRILLED 4375-20 (INACTIVE AFTER 1 JAN 1960) (SEE MS9092).pdf

1、7 ANL4895L THRU AN149050 REV 3 53 9999915 00003b3 9 L SHAPE OF SOCKET BOTTOM OPTIONAL. MUST BE WITH- IN DIMENSIONS SHOWN K t.000 - .o60 DRILL CSINK 90“ NO. TO 50 (070) .lo0 DIA I p7 + K TgHULT,- 6 HOLES SPACED AS PART NO. AN148997 AN148988 AN148989 AN148990 AN148991 AN148992 AN148993 AN148994 AN1489

2、95 148996 AN148997 AN148999 AN148999 AN149000 SHOWN WITHIN .O OF TRUE POSITLO K - .o60 L- +.O00 PART NO. 4.500 3 -375 AN149001 4.625 3.500 AN149002 4.750 3.625 AN149003 4.875 3.750 AN149034 5.000 3.875 AN149005 5.125 4.000 AN149006 5.250 4.125 AN149007 5 -375 4,250 AN149008 5.500 4 375 AN149009 5 .7

3、50 4.625 AN149011 5.875 4.750 AN149012 6 .O00 4.375 AN149013 5.625 4.500 AN149010 SECTION THRU THREAD PROFILE PART NO. AN148960 AN148962 AN148963 AN149964 AN148965 AN148966 AN148967 AN148968 AN148969 AN148970 AN148971 AN148972 148961 L 1.562 1,688 1.625 1.750 1.812 1.875 1.938 2.000 2.062 2r125 2.25

4、0 2.375 2.500 2.625 PART NO. AN148973 AN148974 ANi48975 AN148976 AN148977 AN148978 AN148979 AN148981 AN148982 AN148983 AN148984 AN148985 AN148986 148980 K + . O00 - .o60 .438 .500 ,625 .688 .812 .875 .938 1 .o00 1.125 .562 a750 1.250 1.375 1.500 L 2.750 2.875 3.000 3.125 3.250 3.375 3 300 3.750 3.87

5、5 4,000 4.125 4.250 4.375 3.625 C MAX 2 IMPERPEC 1.188 1.250 1.312 1.375 1.438 1.500 - ;: PA 11 AIR FORCE-NAVY AERONAUTiCAL STANDARD I BOLT - SOCKET HEAD. 6 HOLES DRILLED, .4375-20 I Av 11. AS :A AN I 4895 I THRU ANI49050 L.4375-20 UNF-3A SPEC MIL-S-7742 LTHIS SITRPACE MUST BE SQUARE WITH SHANK WITH

6、IN .O03 FULL INDICATOR READING U + ,000 - .O60 1.625 1.750 1 m875 2.000 2.125 2.250 2.375 2.500 2.625 2.750 2.875 3.000 3.125 3.250 I (a) THREAD TO HEAD. MAXIHUM TWO IMPERFECT THREADS. NOTE: (1) THE RUNOUT FOR STRAIGHTNESS OF SHANK $HALL NOT EXCEED .0025FIR PER INCH OF BOLT LENGTH. (2) THE CONCENTRI

7、CITY OF THREAD PD IN RELATION TO THE SHANK SHALL BE WITHIN 006 FIR. (3) THE CONCENTRICITY OF THE HEXAGON SOCKET IN RELATION TO OD OF HEAD SHALL BE WITHIN .O05 FIR. (4) THE CONCENTRICITY OF THE SHANK IN RELATION TO OD OF HEAD SHALL BE WITHIN .O05 FIR. HATERIAL: STEEL AMS 6322 HARDNESS: ROCKWELL C32-3

8、6 FINISH: CADMIUM PLATE AMs2400 SURFACE ROUGHNESS: AS107 MANUFACTURING SPECIFICATION: AMs7452 3 INSPECTION: ALL PARTS SHALL UNDERGO MAGNETIC INSPECTION IN ACCORDANCE WITH AMS2640. BREAK SHARP EDGES .003-.015 UNLESS OTHERWISE SPECIFIED. INACTIVE FOR DESIGN AFTER I JAN .I960 SE DRAWING MS9092 For defi

9、nition and application of draving status notes. see ANA Bulletin No. 337. THIS STANDARD WAS DEVELOPED COOPERATIVELY WITH THE ENGINE AND PROPELLER UTILITY PARTS COHHITTEE OF THE SAE. 7 Project No 5306-1070 r?rU.S. GOVERNMENT PRINTING OFFICE 1988 - 605-036/43938 -I Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-