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 2 NAVISTAR, INC. Material, Parts, and Process Specifications (
2、MPAPS) NUMBER: MPAPS S-E-39.101-GS/PL Former Designation: ESP-E-39.101-GS TITLE: Tab Weld Nuts English Series (Noun Code 5780) CURRENT REV No.: 1506 DATE: June 2015 WRITTEN/EDITED BY: Materials Engineering APPROVED BY: Materials Engineering SUPERSEDES: ESP-E-39.101-GS - August 2006 PRINTED COPIES OF
3、 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 health practi
4、ces and to determine the applicability of regulatory limits prior to use. Change Notice: Changed to New MPAPS format; Combined GS, PP. 1.0 GENERAL: Tab Weld Nuts are used on flat and tubular sections, confined corners, close spacing, flanges, and narrow channels in open and blind applications. Self-
5、locating pilot style nuts speed positioning of parts assembly. 2.0 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. 3.0 MATERIAL: AISI 1008 or 1010 Steel (STL);
6、 Mechanical Properties: Tensile Strength - 60,000 PSI Yield Point - 30,000 PSI Shearing Strength - 30,000 PSI Elongation 2“ - 30% Max 4.0 FINISH: Plain (PLN) 5.0 THREAD: Unified Series, Coarse, Class 2B. NUMBER: MPAPS S-E-39.101-GS/PL TITLE: Tab Weld Nuts REVISION: 1506 This document is restricted a
7、nd 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 2 of 2 Nominal Thread Size G Pilot Height H Hole Center to End J Proj Height K Target Depth L Ta
8、rget Dia Hole in Sheet Style No. All 1 & 3 5 All 5 5 1,2, 3 & 4 5 8 .031 .188 .188 .020 .062 .250 .219 .219 10 .031 .188 .188 .020 .078 .281 .250 .250 1/4 .047 .250 .250 .025 .078 .281 .312 .297 5/16 .078 .344 .281 .030 .094 .344 .375 .375 3/8 .094 .344 .344 .030 .094 .406 .453 .453 1/2 .125 - - - -
9、 - .609 - For dimensions not shown, see section 6.0 and 7.0. 6.0 POLICY FOR SELECTING PARTS FOR NEW DESIGN: 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
10、 “Approved“ part list only. 7.0 PART LIST: 7.1 Approved: Nominal Size-TPI C-Width Style D Length E-Thick ness F-Pilot Diam. Part Number 8 - 32 .375-4 .625 .094 .203 27806R1 8 - 32 .438-1 .625 .094 .203 318864C1 10 - 24 .438-1 .625 .094 .234 338836C1 10 - 24 .438-3 .625 .094 .234 370544R1 1/4 - 20 .5
11、00-1 .812 .105 .297 629763R1 1/4 - 20 .500-2 1.062 .105 .297 252552C1 1/4 - 20 .500-4 .812 .105 .297 397216R1 5/16 - 18 .625-2 1.500 .135 .359 564266R1 5/16 - 18 .625-4 1.000 .135 .359 344724C1 3/8 - 16 .625-1 1.125 .135 .438 158878H1 3/8 - 16 .625-4 1.000 .135 .438 25564R1 1/2 -13 .812-4 1.250 .188
12、 .594 25725R1 10 - 32 .375-4 .625 .086 .234 397631R1 8.0 TECHNICAL INFORMATION: For further information 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:/
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