1、This document is restricted and may not be sent outside Navistar, Inc. or reproduced without permission from Corporate Technical Standards. Suppliers are required to assume all patent liability. 2015 by Navistar, Inc. JUNE 2015 Page 1 of 3 NAVISTAR, INC. Material, Parts, and Process Specifications (
2、MPAPS) NUMBER: MPAPS S-J-11.101-GS/PL Former Designation: ESP-J-11.101-GS TITLE: Square Parallel Keys English Series (Noun Code 4820) CURRENT REV No.: 1506 DATE: June 2015 WRITTEN/EDITED BY: Materials Engineering APPROVED BY: Materials Engineering SUPERSEDES: ESP-J-11.101-GS - September 2000 PRINTED
3、 COPIES OF THIS DOCUMENT MUST BE VERIFIED FOR CURRENT REVISION This specification may involve hazardous materials, equipment, and procedures. This specification does not purport to address all of the safety issues associated with its use. The user is responsible to consult appropriate safety and hea
4、lth practices and to determine the applicability of regulatory limits prior to use. Change Notice: Changed to New MPAPS format; Combined GS, NPP. 1.0 GENERAL: These keys are general purpose, negative toleranced, made from cold finished bar stock. 2.0 RESTRICTED CHEMICAL SUBSTANCES: Effective January
5、 1, 2007, all product supplied to the requirements of this specification must comply with the requirements of the MPAPS B-50 specification. 3.0 DIMENSIONS: Key dimensions wherever shown are to be specified: Width x Height x Length. 4.0 MATERIAL: Cold drawn steel with .06 sulfur max, per MPAPS A-0, P
6、art II, Code 2-202. When keyslot and keyway dimensions other than those shown in this general specification are required, the following formulas and values will be used to determine standard dimensions: WIDTH A & H Dimensions shown on page 2 of this document SHAFT DEPTH B MAX = D - K - E MIN B MIN =
7、 B MAX - .006 in (. 152 mm) HUB HEIGHT C MIN = D - K + F MIN C MAX = C MIN - .004 in (. 102 mm) Key Size 3/16 1/4 5/16 3/8 1/2 5/8 3/4 in in mm in mm in mm in mm in mm in mm in mm E MIN F MIN .089 .1 2.261 2.54 .12 .132 3.048 3.353 .151 .163 3.835 4.14 .182 .195 4.623 4.953 .245 .257 6.223 6.528 .30
8、7 .32 7.798 8.128 .370 .382 9.398 9.703 NOTE: For “K“ Values, refer to MPAPS S-J-10.101-GS/PL. NUMBER: MPAPS S-J-11.101-GS/PL TITLE: SQUARE PARALLEL KEYSLOTS & KEYWAYS REVISION: 1506 This document is restricted and may not be sent outside Navistar, Inc. or reproduced without permission from Corporat
9、e Technical Standards. Suppliers are required to assume all patent liability. 2015 by Navistar, Inc. JUNE 2015 Page 2 of 3 D A B H C in mm in mm in mm in mm Recommended Nominal +.002 +.051 +.003 +.08 +.0015 +.038 +.002 +.05 Key Size inch -0 -0 -.003 -.08 - 0 - 0 -.002 -.05 inch * .625 519 13.18 .713
10、 18.11 * .6875 .1875 4.762 .583 14.81 .1885 4.788 .777 19.74 3/16 Sq x 1 * .75 .647 16.43 .841 21.36 .8125 .67 17.02 .927 23.55 .875 .25 6.35 .734 18.64 .251 6.375 991 25.17 1/4 Sq x 1.5 .9375 .798 20.27 1.055 26.8 1. .861 2.187 1.118 28.4 * 1.0625 .885 22.48 1.204 30.58 * 1.125 .949 24.1 1.268 32.2
11、1 * 1.1875 .3125 7.938 1.013 25.73 .3135 7.963 1.332 33.83 5/16 Sq x 2 * 1.25 1.076 27.33 1.395 35.43 * 1.3125 1.14 28.96 1.459 37.06 * 1.375 1.203 30.56 1.522 38.66 1.4375 1.227 31.17 1.609 40.87 1.5 1.291 32.79 1.673 42.49 1.5625 .375 9.525 1.354 34.39 .376 9.55 1.736 44.09 3/8 Sq x 2.5 1.625 1.41
12、8 36.02 1.8 45.72 1.6875 1.481 37.62 1.863 47.32 1.75 1.544 39.22 1.926 48.92 1.8125 1.529 38.84 2.036 51.71 1.875 1.593 40.46 2.1 53.34 1.9375 1.657 42.09 2.164 54.97 2. .5 12.7 1.721 43.71 .501 12.725 2.228 56.59 1/2 Sq x 3.25 2.0625 1.785 45.34 2.292 58.22 2.125 1.848 46.94 2.355 59.82 2.1875 1.9
13、11 48.54 2.418 61.42 2.25 1.974 50.14 2.481 63.02 2.3125 1.96 49.78 2.592 65.84 2.375 2.024 51.41 2.656 67.46 2.4375 .625 15.875 2.087 53.01 .626 15.9 2.719 69.06 5/8 Sq x 4.25 2.5 2.151 54.64 2.783 70.69 2.625 2.278 57.86 2.91 73.91 2.75 2.405 61.09 3.037 77.14 2.875 2.452 62.28 3.209 81.51 2.9375
14、2.516 63.91 3.273 83.13 3. .75 19.05 2.579 65.51 .751 19.075 3.336 84.73 3/4 Sq x 6 3.125 2.706 68.73 3.463 87.96 3.25 2.833 71.96 3.59 91.19 * Length of key is shown n order to effect standardization and may vary according to individual requirements. Theoretical Fits: On Height: 0.002 in (0.05 mm)
15、to 0.014 in (0.36 mm) Loose * 0.0015 in (0.038 mm) to 0.0135 in (0.343 mm) Loose On Side: 0 to 0. 004 in (0. 1 mm) Loose for Keyslot .001 in (0.0025 mm) to 0.0045 in (0.114 nun) Loose for Keyway NUMBER: MPAPS S-J-11.101-GS/PL TITLE: SQUARE PARALLEL KEYSLOTS & KEYWAYS REVISION: 1506 This document is
16、restricted and may not be sent outside Navistar, Inc. or reproduced without permission from Corporate Technical Standards. Suppliers are required to assume all patent liability. 2015 by Navistar, Inc. JUNE 2015 Page 3 of 3 5.0 PART LIST: 5.1 Approved: 6.0 TECHNICAL INFORMATION: For further informati
17、on related to the technical content of this specification, contact: Suppliers may purchase controlled copies of this specification by contacting: Materials Engineering and Technology Dept. 10400 W. North Avenue Melrose Park, IL 60160 E-mail: MaterialsEngineeringN IHS Global Inc. 15 Inverness Way East Englewood CO 80112-5776 Phone: 1-800-854-7179 E-mail: AutomotiveIHS.com Website: http:/ Width A Height B Length C Material Part Number Tolerances + 0 + 0 +.010 -.002 -.002 -.010 3/16 3/16 1 1/2 CST 53197C
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