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 12 NAVISTAR, INC. Material, Parts, and Process Specifications
2、(MPAPS) NUMBER: MPAPS S-M-1.101-GS/PL Former Designation: ESP-M-1.101-GS TITLE: Automotive Pipe Fittings - English Series (Noun Code 3300) CURRENT REV No.: 1506 DATE: June 2015 WRITTEN/EDITED BY: Materials Engineering APPROVED BY: Materials Engineering SUPERSEDES: ESP-M-1.101-GS - August 2006 PRINTE
3、D 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 he
4、alth practices and to determine the applicability of regulatory limits prior to use. Change Notice: Changed to New MPAPS format; Combined GS, PP, NPP. 1.0 GENERAL: This standard conforms essentially with the SAE J530 Standard for Automotive Pipe Fittings and includes those types of pipe fittings whi
5、ch are commonly used in the automotive and other mass production industries. 2.0 CONTENTS: Page General 1 Dimensions and Tolerances 2 Passages 2 Wall Thickness 2 Sealant Coating 2 Threads 2 Material 2 Finish 3 Restricted Chemical Substances 3 Policy for Selecting Parts for New Design 3 Workmanship 3
6、 Automotive Pipe Nipples 3 Automotive Pipe Reducer Nipples 4 Automotive Pipe Reducer Bushings 4 Automotive Pipe Adapters 5 Automotive Pipe Reducer Adapters 5 Automotive Pipe Reducer Couplings 6 Automotive Pipe Couplings 6 Automotive 90 Degree Pipe Elbows 7 Automotive 90 Degree Pipe Street Elbows 7 A
7、utomotive 45 Degree Pipe Street Elbows 8 Automotive 45 Degree Pipe Elbows 10 Automotive Pipe Tees 10 Technical Information 12 NUMBER: MPAPS S-M-1.101-GS/PL TITLE: Automotive Pipe Fittings REVISION: 1506 This document is restricted and may not be sent outside Navistar, Inc. or reproduced without perm
8、ission from Corporate Technical Standards. Suppliers are required to assume all patent liability. 2015 by Navistar, Inc. JUNE 2015 Page 2 of 12 3.0 DIMENSIONS AND TOLERANCES: Unless otherwise specified, maximum and minimum across flats dimensions will be within the commercial tolerance of bar or ext
9、ruded stock from which the fittings are produced. The minimum across corner dimensions of external hexagons will be 1.092 times the nominal width across flats, but will not result in a side flat width less than .43 times the nominal width across flats. The minimum across corner dimensions of externa
10、l squares will be 1.25 times the nominal width across flats, but will not result in a side flat width less than .75 times the nominal width across flats. Tolerances on all dimensions not otherwise limited will be .010 inch. 4.0 PASSAGES: Where passages in straight fittings are machined from opposite
11、 ends, the affect at the meeting point will not exceed .015 inch. The cross sectional area at the junction of passages in angle fittings will not be less than that of the smallest passage. 5.0 WALL THICKNESS: Unless otherwise designated, the wall thickness at any point on fittings will not be less t
12、han the thickness established by specified dimensions, tolerances, and eccentricities for inner and outer surfaces. 6.0 SEALANT COATING: All fittings that have external pipe threads will be furnished with a pre-applied sealant coating on the pipe threads that meets the requirements of CEMS D-31. 7.0
13、 THREAD: The pipe threads will conform with the Dryseal American Standard Taper Pipe Thread (NPTF). If specified the pipe thread may be shortened in conformity with the SAE Short Dryseal Taper Pipe Thread (PTF - SAE Short). Specifications for pipe threads are given in detail in the SAE J476 Standard
14、. 8.0 MATERIAL: As designated by part number, these pipe fittings may be made from cast iron, malleable iron, steel, stainless steel, brass or aluminum alloy, by casting, forging, milling from the bar or upsetting from a grade of material free from defects which will affect their serviceability. Car
15、bon steel fittings which are fabricated from multiple components are optional with extruded or forged fittings. Fabricated fittings must be bonded together to be able to withstand a melting point of not less than 1900F. Steel (STL) - SAE 1212 or equivalent per MPAPS A-0, Part I. Brass (BRS) -CEMS C-
16、3, Grades C36000 (Half Hard), C34500, C35000, or C37700. Malleable Iron (MI) - ASTM-A197 or equivalent. Cast Iron - Gray Iron, Grade 25-S per CEMS E-6. NUMBER: MPAPS S-M-1.101-GS/PL TITLE: Automotive Pipe Fittings REVISION: 1506 This document is restricted and may not be sent outside Navistar, Inc.
17、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 12 9.0 FINISH: As designated by part number, parts will be furnished plain, plated or coated in accordance with MPAPS and class liste
18、d below: Plain (PLN) Zinc Trivalent (ZN6A) MPAPS G-20, Class 6A. 10.0 RESTRICTED CHEMICAL SUBSTANCES: Effective January 1, 2007, all product supplied to the requirements of this specification must comply with the requirements of the MPAPS B-50 specification. 11.0 POLICY FOR SELECTING PARTS FOR NEW D
19、ESIGN: Approved parts are so designated to reduce variety of parts and assure maximum availability, interchangeability, and cost savings in volume buying. For new design, parts shall be selected from “Approved“ part list only. Material: Brass (BRS) Finish: Plain (PLN) Process of Manufacture: Extrude
20、d 12.0 WORKMANSHIP: Fittings will be free from all hanging burrs, loose scale and slivers which might become dislodged in usage and all other defects which might affect serviceability. 13.0 AUTOMOTIVE PIPE NIPPLES (Noun Code - 5760): 13.1 Part List: 13.1.1 Approved: A C G D E PART NUMBERS Dryseal Ta
21、per Thread Hexagon Width Shoulder Length Drill Diameter Steel Plain Length Max 1/8 -27 .438 .38 .22 .97 444285 Dimensions in inches: A C G D E PART NUMBERS Dryseal Taper Hexagon Shoulder Drill Brass Thread Width Length Diameter Length Plain 1/8 -27 .438 .38 .22 .97 443976 1/4 -18 .562 .56 .31 1.38 4
22、43978 3/8 -18 .688 .56 .44 1.41 443980 1/2 -14 .875 .75 .56 1.81 443982 CHAMFER NUMBER: MPAPS S-M-1.101-GS/PL TITLE: Automotive Pipe Fittings REVISION: 1506 This document is restricted and may not be sent outside Navistar, Inc. or reproduced without permission from Corporate Technical Standards. Sup
23、pliers are required to assume all patent liability. 2015 by Navistar, Inc. JUNE 2015 Page 4 of 12 14.0 AUTOMOTIVE PIPE REDUCER NIPPLES (Noun Code - 5760): 14.1 Part List: 14.1.1 Approved: Dimension in inches: 15.0 AUTOMOTIVE PIPE REDUCER BUSHINGS (Noun Code - 0030): 15.1 Part List: 15.1.1 Approved:
24、*At manufacturers option, hole may conform to tap drill diameter or may be reduced beyond tap drill depth but in no case will it be smaller than L diameter specified. A A1 C G G1 D E K L PART NUMBERS Dryseal Taper Hexagon Shoulder Drill Counter bore Brass Thread Width Length Diameter Length Dia Leng
25、th Plain 1/4-18 1/8 27 .562 .56 .38 .22 1.19 .28 .69 443986 3/8-18 1/4 18 .688 .56 .56 .31 1.41 .41 .69 443990 1/2-14 3/8 18 .875 .75 .56 .44 1.62 .53 .91 443992 Dimension in inches: A B C N L Length PART NUMBERS Dryseal Taper Hexagon Shoulder *Hole Diameter Brass Thread Width Length Min Plain 1/4-1
26、8 1/8 -27 .562 .56 .217 .75 444024 3/8-18 1/8 -27 .688 .56 .217 .75 444026 3/8-18 1/4 -18 .750 .56 .309 .75 444028 1/2-14 1/4 -18 .875 .75 .309 1.00 444032 1/2-14 3/8 -18 .875 .75 .435 1.00 444034 3/4-14 1/2 -14 1.125 .75 .559 1.00 24466R1 NUMBER: MPAPS S-M-1.101-GS/PL TITLE: Automotive Pipe Fitting
27、s REVISION: 1506 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 5 of 12 16.0 AUTOMOTIVE PIPE ADAPTERS (Noun Code -
28、 0030): 16.1 Part List: 16.1.1 Approved: Dimension in inches: A C J E D F PART NUMBERS Dryseal Taper Hexagon Tap Drill Shoulder Drill Length Brass Thread Width Depth Length Diameter Plain 1/8 -27 .562 .38 .38 .22 .88 443998 1/4 -18 .750 .56 .56 .31 1.25 444000 3/8 -18 .875 .56 .56 .44 1.25 444002 1/
29、2 -14 1.062 .75 .75 .56 1.66 444004 3/4 -14 1.375 .75 .75 .75 1.69 444006 17.0 AUTOMOTIVE PIPE REDUCER ADAPTERS (Noun Code - 0030): 17.1 Part List: 17.1.1 Approved: Dimension in inches: A A1 C J E D F PART NUMBERS Dryseal Taper Thread Hexagon Width Tap Drill Depth Shoulder Length Drill Diameter Max
30、Length Brass Plain 1/8-27 1/4-18 3/8-18 1/2-14 3/4-14 1/16-27 1/8 -27 1/4 -18 3/8 -18 1/2 -14 .562 .750 .875 1.062 1.375 .38 .56 .56 .75 .75 .38 .38 .56 .56 .75 .14 .22 .31 .44 .56 .84 1.06 1.25 1.47 1.69 444010 444012 444014 444016 444018 NUMBER: MPAPS S-M-1.101-GS/PL TITLE: Automotive Pipe Fitting
31、s REVISION: 1506 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 6 of 12 18.0 AUTOMOTIVE PIPE REDUCER COUPLINGS (No
32、un Code - 2220): 18.1 Part List: 18.1.1 Approved: 19.0 AUTOMOTIVE PIPE COUPLINGS (Noun Code - 2220): 19.1 Part List: 19.1.1 Approved: Dimension in inches: A F G C D PART NUMBERS Dryseal Taper Thread Hexagon Width Shoulder Length Body / Hole Diameter Min Length Brass Steel Plain Plain ZN6A 1/8 -27 .5
33、62 .27 .56 .75 444094 1/4 -18 .750 .44 .75 1.12 444347 3/8 -18 .875 .42 .88 1.12 444098 1/2 -14 1.062 .59 1.06 1.50 444100 444101 Dimension in inches: A B G H J K PART NUMBERS Dryseal Taper Thread Hexagon Width Shoulder Length Body Diameter Tap Drill Depth Length Brass Plain Min Min 1/4-18 to 1/8 -2
34、7 .750 .31 .56 .56 .97 444104 3/8-18 to 1/4 -18 .875 .47 .75 .56 1.16 444108 NUMBER: MPAPS S-M-1.101-GS/PL TITLE: Automotive Pipe Fittings REVISION: 1506 This document is restricted and may not be sent outside Navistar, Inc. or reproduced without permission from Corporate Technical Standards. Suppli
35、ers are required to assume all patent liability. 2015 by Navistar, Inc. JUNE 2015 Page 7 of 12 20.0 AUTOMOTIVE 90 DEGREE PIPE ELBOWS (Noun Code - 2940): 20.1 Part List: 20.1.1 Approved: Dimension in inches EXTRUDED TYPE A Dryseal Taper Thd 1/16-27 1/8-27 1/4-18 3/8-18 1/2-14 3/4-14 1-11-1/2 B Body S
36、ize (Square) 7/16 9/16 11/16 13/16 1 1-1/4 1-1/2 C End to Center .03 .50 .55 .78 .84 1.09 1.16 1.52 Material & Finish PART NUMBERS Brass Plain 9409923 444072 21.0 AUTOMOTIVE 90 DEGREE PIPE STREET ELBOWS (Noun Code 2940): 21.1 Part List: 21.1.1 Approved: Dimension in inches EXTRUDED TYPE A Dryseal Ta
37、per Thread 1/16-27 1/8-27 1/4-18 3/8-18 1/2-14 3/4-14 1-11-1/2 B Body Size (Square) 7/16 9/16 11/16 13/16 1 1-1/4 1-1/2 C End to Center .03 .59 .66 .91 .97 1.25 1.38 2.00 E End to Center .03 .45 .48 .72 .78 1.03 1.12 1.41 G Drill Diameter .14 .22 .31 .44 .56 .75 .97 Material & Finish PART NUMBERS Br
38、ass Plain 9409931 444040 444042 444044 444046 444048 Dimension in inches EXTRUDED AND FORGED TYPES A Dryseal Taper Thread 1/16-27 1/8-27 1/4-18 3/8-18 1/2-14 3/4-14 1-11-1/2 B C E G Body Size (Square) End to Center .03 End to Center .03 Drill Diameter 7/16 .59 .45 .14 9/16 .66 .48 .22 11/16 .91 .72
39、.31 13/16 .97 .78 .44 1 1.25 1.03 .56 1-1/4 1.38 1.12 .75 1-1/2 1.69 1.41 .97 Material & Finish PART NUMBERS Steel Plain Steel ZN6A 9409934 444041 444045 NUMBER: MPAPS S-M-1.101-GS/PL TITLE: Automotive Pipe Fittings REVISION: 1506 This document is restricted and may not be sent outside Navistar, Inc
40、. or reproduced without permission from Corporate Technical Standards. Suppliers are required to assume all patent liability. 2015 by Navistar, Inc. JUNE 2015 Page 8 of 12 22.0 AUTOMOTIVE 45 DEGREE PIPE STREET ELBOWS (Noun Code 2940): 22.1 Part List: 22.1.1 Approved: Dimension in inches CAST TYPE A
41、Dryseal Taper Thread 1/16-27 1/8-27 1/4-18 3/8-18 1/2-14 B Body Diameter, Min .44 .56 .72 .88 1.03 C Collar Diameter, Min .53 .67 .81 1.00 1.17 D Collar Thickness, Min .12 .14 .16 .17 .19 E Wall Thickness, Min .08 .08 .08 .09 .09 F Drill Diameter .141 .219 .312 .438 .562 G End to Center * .81 .92 1.
42、11 1.25 1.50 J End to Center * .50 .55 .72 .83 1.02 Material & Finish PART NUMBERS Brass Plain 444166 *Tolerance on End to Center Dimensions Nominal Size 1/16 1/8 1/4 3/8 1/2 Plus or Minus .03 .03 .04 .05 .06 FORGED TYPE per SAE J514 - Hydraulic Tube Fitting (Optional Solid Bar Stock Construction Pe
43、rmissible) A Dryseal Taper Thread 1/8-27 1/4-18 3/8-18 1/2-14 3/4-14 1-11-1/2 B Body or Boss .56 .75 .88 1.06 1.31 1.62 Diameter (min) .02 C Shank Diameter .44 .56 .68 .88 1.06 1.38 D Drill Diameter .188 .281 .406 .531 .719 .938 Width Across Wrench Pads 9/16 3/4 7/8 1-1/16 1-5/16 1-5/8 G End to Cent
44、er .03 .78 1.09 1.22 1.47 1.59 1.97 J End to Center .03 .66 .88 1.02 1.23 1.36 1.62 Material & Finish PART NUMBERS Brass Plain 444482 Steel ZN6A 454109 454111 454113 Dimension in inches EXTRUDED TYPE A Dryseal Taper Thd 1/16-27 1/8-27 1/4-18 3/8-18 1/2-14 3/4-14 1-11-1/2 D E F S Body Size (Square) E
45、nd to Center .03 End to Center .03 Drill Diameter 7/16 .47 .38 .14 9/16 .50 .38 .22 11/16 .72 .56 .31 13/16 .78 .56 .44 1 1.00 .75 .56 1-1/4 1.06 .75 .75 1-1/2 1.34 .94 .97 Material & Finish PART NUMBERS Brass Plain 9409927 444054 444056 444058 444060 444062 NUMBER: MPAPS S-M-1.101-GS/PL TITLE: Auto
46、motive Pipe Fittings REVISION: 1506 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 9 of 12 Dimension in inches CAS
47、T TYPE A Dryseal Taper Thread 1/16-27 1/8-27 1/4-18 3/8-18 1/2-14 K Body Diameter, Min .44 .56 .72 .88 1.03 D Collar Diameter, Min .53 .67 .81 1.00 1.17 T Collar Thickness, Min .12 .14 .16 .17 .19 L Wall Thickness, Min .08 .08 .08 .09 .09 S Drill Diameter .14 .22 .31 .44 .56 E End to Center * .69 .7
48、8 .88 .92 1.06 F End to Center * .41 .42 .56 .62 .78 Material & Finish PART NUMBERS Brass Plain 444178 *Tolerance on End to Center Dimensions Nominal Size 1/16 1/8 1/4 3/8 1/2 Plus or Minus .03 .03 .04 .05 .06 FORGED TYPE per SAE J514 - Hydraulic Tube Fitting Dimension in inches (Optional Solid Bar Stock Construction Permissible) A Dryseal Taper Thread 1/8-27 1/4-18 3/8-18 1/2-14 3/4-14 1-11-1/2 D Body or Boss .56 .75 .88 1.06 1.31 1.62 Diameter (Min) .02 K Shank Diameter (Min) .44 .56 .68 .88 1.06 1.38 S Drill Diameter .188 .281 .406 .531 .719 .938 Width Across Wrench Pads 9/16 3
