1、FEDE? delete the period at the end af the last sentence, and in- sert the following: pelete paragraph 3.5.p in its entirety and insert the following: larea surface of texture requirements of Table i.“ “area surface of exture requirements of Table I.“ 3.5.3 Grade C. Grade C working surfaces shall be
2、smooth machined to tex- ture requirements of Tabe I. depth.“ Delete paragraph 3.5.4 in its entirety. In paragraph 3.5.5, make changes as follows: Tool marks shall not exceed 0.0005 inch in V (a) On lines 4 and 5, delete B46.1“ and insert “ANSl/ASME B46.1“. Cb) After the last sentence, insert “Spotti
3、ng cavities shall be from 0.0002 to O.QO03 inches fn depth with e concentration of i5 to 18 spotting cavities per square inch and a 20 to 40 percent bearing area.“ in paragraph 3.6, delete “Grade D . . .O005 inch.“ In paragraph 3.6.1, make changes s follows: (a) On third line, delete “0.0005“ and in
4、sert “0.002 inches. (b) On fifth line, delete “0.0005“ and insert “0.002“. Delete Fable I in its entirety and insert the folloving: 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-GGG-P-453A (1) 52 7777774 005b75 7 E GGG-P-45 3a AMENDMENT 1 .TABLE
5、I Requirements for earxnrig areas - ,. - Maximum plus or . from mean plane Mmcual allowable plus or minus deviation _- _. - . - minus deviation tolerices for . :. . and roughness * Repeat reading Total flatness of height ratings measurements entire plate as per ANSlIASME (.TTcroinches) (Microinches)
6、 B46.1 (Micro- bches) . Diagonal Range GRADEGRADEGRADEGRADEGRADEGRADE GRADEGRADEGRADE Through 25 50 100 200 50 100 200 IO0 150 300 (Inches) SA B C A&E B C A&E 3 C Over 25 Through 40 75 150 300 .75 156- 300 150 225 450 Over 40 Throug 50 1OQ 200 400 100 200 400- 200 3QO 600 Over 50 Through 60 150 . 30
7、0 600 150 300 600 . 300 450 .900 Over 60 Through 70 200 400 800 200 400 800. 40Q 600. J200 Over 70 Through 85 250 500 1000 250 500 .loOO. 50Q .750 1500 Over 85 Through 100 350 700 1400 350 700 1400 . 700 .lo50 2100 Over 100 Through 125 500 1000 2000 500 1000 2000 . 1000 .I500 3000 Over 125 Through 1
8、50 750 1500 ,3000 . .750 . ,1500 .mo0 . . . .lSOQ 2250 .4500 Over 150 1100 1500 3000 1100 1500. 3000 . ,2200 2250 4500 *Above values apply to maximum roughness. Delete paragraph 3.8 and insert the foillowing: “3.8 Screw threads. All screw threads used on surface plates shall be in accordance with th
9、e screw threads covered in Fed. Std. 828.“ t. in paragraph 3.9, on last line, delete “ASA B46.1“ and insert “ANS1 ASME B46.1“. In paragraph 3.10, on line 4, delete “standard practice“ and insert “normal practice“. -. PAGE 4 in last sentence of paragraph 3.12, delete “and weights“. Delete Table I in
10、its entirety and insert the following: . .- A 7 .3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-I GGG-P-Li53A (1) 52 I 7777774 0058b76 O E GGG-P-45% m“T 1 TABLE II Type I Surface Plate, Sizes and Dimensions Min. Top , Nominal Size Solid Min. . Wid
11、th tennth Thickness Height Approx Diagonals (Inches) (inches) (Inches) (Inches) (Inches) 8 I2 112 2 112 14.4 10 14 12 2 112 17.2 12 14 112 3 18.4 12 18 518 3 114 21.6 12 24 518 3 114 26.8 i4 18 518 3 112 22.8 16 22 518 3 1/2 27.2 I8 18 518 3 lt2 25.5 I 8 24 11/16 4 1/4 30 i8 3Q 11/16 4 114 34.9 8 36
12、 11/16 4 314 40.3 24 24 11/16 4 314 33.9 24 30 314 4 314 38.4 24 36 3b4 6 43.3 24 48 314 6 I/2 53.7 3a 48 1 6 314 56.6 30 60 1 6 314 67.1 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-t GGG-P-453A (1) 52 I 7779774 005b77 2 TABLE U: Ccontinued) GG
13、G-P-45 3a &B“T 1 Type i Surface, Plate, Sizes aridDimerisi6ns , Min. Top NodnaX Sife $oMd Min. Approx. Width Qngth Thichess Height Diagonals Onches) Cinches) CrnCbS) - Ch9iS) bCM) 36 36 1 7 50-9 - - 36 48 1 7 60 36 72 1 9 80.5 48 96 1 118 10 .107.3 PAGE 7 Delete paragraph 4.4.5 in ita entirety. PAGE
14、 8. After paragraph 6.5, add table as fQllOUS: TABLE V nMetric Conversion Factors“ , MICROINCtlEC HECRONS NCHE MM INCflES .METERS U Metric) Metric) (He t ric) 50 1 1/2 or .5 12.7 40 1 .O 16 75 2 518 or ,625 15.875 40.3 1.02362 100 3 11/16 or .6875 17.4625 43.3 1.09982 150 4 3/73 or .75 19.05 48 1.21
15、92 200 -5 1 25.4 -50 1.27 225 6 1 112 or 1.5 38.1 50.9 1.29286 250 6 2 318 or 2.375 60.325 53.7 1.36398 300 8 2 12 or 2.5 63.5 56.6 1.43764 350 9 3 76.2 60 1.524 400 IO 3 114 or 225 82.55 67.1 1.70434 450 li 3 lj2 or 3.5 88.9 70 1.778 500 13 . 4 114 or 4.25 07.95 72 .1.8288 600 5 4 314 or 4.75 i20.6
16、5 80.5 2.0447 700 18 6 152.4 85 2.159 5 .- 7 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-1 GGG-P-453A (1) 52 M 7777774 005b7 4 M GGGP-bS38 TABLE V (continued) AME“T.3 - MICRO1 XCHES MICRONS INCIIES MM INCHES METERS 750 19 - 6 112 or 6.5 165.1 96
17、2.4384 800 20 6 3/4 or 6.75 171.45 100 2.54 “Metric Conversion Fact ors“ etr ic 1 CMetric) (Metric) - 900 23 7 177.8 107.3 2.72542 loo0 25 8 203.2 125 3.175 1050 27 9 228.6 150 3.81 28 10 254 - 1200 30 12 304.8 1400 36 .14 355.6 1500 38 14.4 365.76 2000 51 16 406.4 2 IO0 53 17.2 436.8 2200 - 56 18 4
18、57.2 2250 . 57 18.4 467.36 3000- 76 21.6 548.64 3300 84 22 558.8 4400 112 22.8 579.12 # 4500 114 24 609.6 6600 i 68 25 635 25.5 647.7 26.8 680.72 . 27.2 690.88 30 762 33.9 861.06 34.9 886.46 - 36. O 914.4 .- - 38.4 975.36 - -. ., . . .L. 6 Provided by IHSNot for ResaleNo reproduction or networking p
19、ermitted without license from IHS-,-,-/ - GGG-P-453A (1) 52 I 7777974 0058677 b I GGG-P-453a NOTE: Microns are millionths of a meter. AMENDMENT 1 Military Custodians: Army - AR Navy - SH Air Force - 99 Review activities : Army - WC Navy - SH User activities: Navy - WP, YD Preparing activity: Air Force - 99 Civil Agency Coordinating Activities: GSA-FSS INTERIOR COM-NBS VA-DMS Project Number : 5 2 20-0 179 7 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
