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. 2017 by Navistar, Inc. MARCH 2017 Page 1 of 4 NAVISTAR, INC. Material, Parts, and Process Specifications
2、 (MPAPS) NUMBER: MPAPS B-6913 Former Designation: TMS-6913 TITLE: Electrical Sealant/Grease CURRENT REV No.: 1703 DATE: March 2017 WRITTEN/EDITED BY: J. Morris APPROVED BY: R. Goluch SUPERSEDES: Rev. 0810 - August 2010 PRINTED COPIES OF THIS DOCUMENT MUST BE VERIFIED FOR CURRENT REVISION This specif
3、ication 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 practices and to determine the applicability of regulatory limits prio
4、r to use. 1.0 APPLICATION This specification covers an electrical sealant used in electrical terminal connections to provide a non-electrically conductive film that excludes external contaminants and protects against corrosion. This compound is normally applied as a viscous fluid and is preferred fo
5、r heavy duty electrical sealing applications 2.0 SCOPE This specification covers the general requirements, performance requirements, quality, qualification, source approval and quality control 2.1 Restricted Chemical Substances Effective January 1, 2007, all product supplied to the requirements of t
6、his specification must comply with the requirements of the MPAPS B-50 specification. 3.0 REFERENCE DOCUMENTS Unless otherwise specified, the latest issue of all referenced standards shall apply. The following Specifications, Standards, and Regulations are referenced in this specification. Quality Sy
7、stem Standard ISO 9001 or TS-16949 ASTM B 117 CFR Title 29, Part 1910 NAVISTAR Supplier Packing and Shipping Std. D-13 NAVISTAR Engineering Design Std. A-16 NAVISTAR MPAPS B-50 4.0 REQUIREMENTS The sealant shall be compatible with electrical terminal materials and also the insulation in the terminal
8、 connector. 4.1 Performance Requirements 4.1.1 Heat Aging 4.1.1.1 Method Apply sealant to the female cavity of a molded connector (NAVISTAR P/N 418655-C1). Age sealed assembly for three days at room temperature before testing. Measure voltage drop across the connector before and after heat aging in
9、a recirculating air oven for 24 hours at 122 1C (250 2F). Voltage drop shall be measured with 1 ampere flowing through the connector. NUMBER: MPAPS B-6913 TITLE: Electrical Sealant/Grease REVISION: 1703 This document is restricted and may not be sent outside Navistar, Inc. or reproduced without perm
10、ission from Corporate Technical Standards. Suppliers are required to assume all patent liability. 2017 by Navistar, Inc. MARCH 2017 Page 2 of 4 4.1.1.2 Required Voltage drop change: 10.0 millivolts maximum. Sealant shall show no movement or exuding of the base oil, and there shall be neither a loss
11、in pliability nor incipient cracking. 4.1.2 Corrosion 4.1.2.1 Method Install a separate sealed connector in salt spray (ASTM B 117) with 14 volts across the connector (12 ohms, 25 watt resistive load). Test for 168 hours and allow to dry for four hours. Apply 50 volts DC to connector terminals to me
12、asure leakage current. 4.1.2.2 Required Voltage drop change: 10.0 millivolts maximum. Leakage current: 5.0 microamperes maximum. Terminals shall be free from corrosion on contact surfaces. 4.1.3 Resistance Determination 4.1.3.1 Method Electrical sealant shall be subjected to 500 volts DC charge acro
13、ss one square inch, one millimeter thick coating of sample grease. 4.1.3.2 Required The measured electrical resistance shall be no less than 2 megohms. 4.1.3.3 Equipment Beckman Model L-8 Megohmmeter PT-0108 Resistance Test Fixture 4.1.4 Vertical Sag Test 4.1.4.1 Material (a) One - 4“ x 12“ (approx.
14、) cold rolled plain steel panel with a centered holed at one end for hanging (available from ACT Test Panels LLC, 273 Industrial Drive, Hillsdale, MI 49242; phone (517) 439-1485) (b) Triangular grease bead with a 1/2” height and 1/2” base across the width of the panel. (c) Forced convection oven cap
15、able of holding 125C 3C (260 5F) 4.1.4.2 Method Scribe a horizontal line on the upper third of the test panel and locate the grease sample such that the lower edge of the grease is just above the horizontal line when the panel is hung vertically. Hang the panel vertically in the oven for 70 hours at
16、 125C (260 F). 4.1.4.3 Required The grease shall not sag more than 12 mm (0.5 inch). 5.0 QUALITY Sealant shall be uniform in consistency and color and shall be free from dirt and foreign material. 6.0 QUALIFICATION Engineering qualification of sources is required in advance of production shipments.
17、Samples shall be accompanied by test data certifying that all requirements of the specification have been met. NUMBER: MPAPS B-6913 TITLE: Electrical Sealant/Grease REVISION: 1703 This document is restricted and may not be sent outside Navistar, Inc. or reproduced without permission from Corporate T
18、echnical Standards. Suppliers are required to assume all patent liability. 2017 by Navistar, Inc. MARCH 2017 Page 3 of 4 6.1 Quality Control Plan A Quality Control Plan for products supplied to the requirements of this specification will be established by mutual agreement between NAVISTAR and the su
19、pplier. Unless specific exception is noted, the following characteristics, where applicable*, shall be included in the plan as features for management by statistical process control.* * Other characteristics for inclusion in the control plan may be specified on the engineering drawing and/or purchas
20、e order. * See NAVISTAR Engineering Design Standard A-16 7.0 SOURCE APPROVAL AND QUALITY CONTROL 7.1 Supplier Requirements All suppliers to NAVISTAR are required to be registered to ISO 9001 Quality System Requirements. NAVISTAR will also accept TS-16949 registration as long as the supplier can also
21、 fulfill all AIAG PPAP (Production Part Approval Process) documentation and approval requirements. Suppliers must maintain their certification with an accredited registrar and must furnish copies of registration certificates to their Corporate Buyer upon request. 7.2 Approval Parts supplied against
22、contracts or purchase orders citing this specification shall be equivalent in all respects to those samples which were approved by the purchaser. No changes in formulation or processing practices are permitted without approval. In the event that changes in material, properties, processing practices,
23、 construction, color, or labeling of the product are required, the supplier shall notify NAVISTAR Materials Engineering and Purchasing and Supplier Development of the proposed change(s). Test data indicating conformance to all requirements of this specification, test samples, and new or amended or u
24、pdated Material Safety Data Sheet(s) (MSDS), in accordance with CFR Title 29, Part 1910 shall be submitted with the request for change. 7.3 Process Control The supplier shall either, perform and report results of tests on specific lots of parts produced using ISO 9001 or TS-16949 guidelines, or prov
25、ide statistical evidence of the lot having been produced in a state of statistical control and with a process capable of providing all required properties. The part supplier and the quality control manager of the using NAVISTAR plant may determine testing and reporting requirements on specific produ
26、cts. 8.0 SHIPPING AND HANDLING Shipping and identification shall be in accordance with NAVISTAR Supplier Packing and Shipping Standard D-13. Parts shall be packaged so as to avoid any damage in shipment detrimental to the appearance of the part. NUMBER: MPAPS B-6913 TITLE: Electrical Sealant/Grease
27、REVISION: 1703 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. 2017 by Navistar, Inc. MARCH 2017 Page 4 of 4 9.0 DESIGNATION ON DRAWINGS Example of note
28、to use on drawings: Electrical Sealant per MPAPS B-6913 10.0 APPROVED SOURCE Grafo 112X manufactured by Fuchs Tribotuff Dielectric Grease Gel manufactured by Nanomech Company o Part No. 4087558R1 11.0 TECHNICAL INFORMATION For further information related to the technical content of this specificatio
29、n, 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 Markit Inc. 15 Inverness Way East Englewood CO 80112-5776 Phone: 1-800-854-7179 E-mail: AutomotiveIHS.com Website: http:/ REVISION HISTORY Revision Level Change Approved by Date Approved 1703 Convert TMS 6913 to MPPAPS B6913 Updated Approved Sources to include Tribotuff Dielectric Grease Gel Part # 4087758R1 R. Goluch 3/16/2017
