1、Comments, suggestions, or questions on this document should be addressed to U.S. Army Tank-automotive and Armaments Command, ATTN: AMSRD-TAR-E/CM/DM/STND, MS# 268, 6501 E. 11 Mile Road, Warren, MI 48397-5000 or emailed to DAMI_STANDARDIZATIONconus.army.mil. Since contact information can change, you
2、may want to verify the currency of this address information using the ASSIST Online database at http:/assist.daps.dla.mil. AMSC N/A FSC 2920 DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited. INCH-POUND A-A-52489A July 20, 2009 SUPERSEDING A-A-52489 March 3, 1994 COMME
3、RCIAL ITEM DESCRIPTION GASKET, SPARK PLUG: NONAIRCRAFT The General Services Administration has authorized the use of this commercial item description (CID) as a replacement for MS35910B, which is canceled. 1. SCOPE This CID covers spark plug gaskets intended for usage in nonaircraft applications and
4、 covers two optional construction features: with or without tabs. 2. SALIENT CHARACTERISTICS 2.1 Materials. The gasket shall be made of a hot-rolled commercial quality steel in accordance with ASTM A1011/A1011M. 2.2 Finish. The gasket shall be copper plated to a minimum thickness of 0.00020 inch or
5、zinc plated in accordance with ASTM B633. 2.3 Hardness. The gasket shall have a hardness of Rockwell B50-60, No. 5 temper. 2.4 Design and construction. Unless otherwise specified in figures 1 and 2, the gaskets shall be designed and constructed in accordance with the manufacturers drawings and speci
6、fications. 2.5 Identification and markings. Identification and markings of the gaskets shall include, as a minimum, the CID part number and the manufacturers CAGE code and part number. These markings shall appear on the package and not on the part (see Note b). Provided by IHSNot for ResaleNo reprod
7、uction or networking permitted without license from IHS-,-,-A-A-52489A 2 Spark Dimensions Torque at (H) Ft. Lb. CID Dash No. Former MS Dash No. Plug Size A B Compressed Height (H) Cast Iron Head Aluminum Head A52489-1 35910-1 *18 mm .990 .880 .772 .710 .060 .040 32 38 28 34 A52489-2 35910-2 *14 mm .
8、830 .710 .565 .552 .055 .040 26 30 18 22 NOTE: Spark plug sizes (identified by *) are the subject of international standardization agreement NATO-STANAG 2602. FIGURE 1. Gasket, spark plug: Nonaircraft. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
9、A-A-52489A 3 Spark Dimensions Torque at (H) Ft. Lb. CID Dash No. Former MS Dash No. Plug Size A B C D Compressed Height (H) Cast Iron Head Aluminum Head A52489-1 35910-1 *18 mm .990 .870 .720 .700 .031 .023 .725 .712 .060 .040 32 38 28 34 A52489-2 35910-2 *14 mm .830 .710 .557 .545 .020 .014 .565 .5
10、52 .055 .040 26 30 18 22 NOTE: Spark plug sizes (identified by *) are the subject of international standardization agreement NATO-STANAG 2602. FIGURE 2. Gasket, spark plug: Nonaircraft (tab type). Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-5
11、2489A 4 3. QUALITY ASSURANCE PROVISIONS 3.1 Responsibility for inspection. The contractor is responsible for the performance of all inspections (examinations and tests). 3.2 Contractor certification. The contractor shall certify and maintain substantiating evidence that the product offered meets the
12、 salient characteristics of this commercial item description and that the product conforms to the producers own drawings, specifications, workmanship standards, and quality assurance practices. Items with known defects shall not be submitted for Government acceptance. The Government reserves the rig
13、ht to require proof of such conformance prior to the first delivery and thereafter as may be otherwise provided for under the provisions of the contract. 4. PACKAGING Preservation, packaging, packing, labeling, and marking shall be as specified in the contract or order (see salient characteristic c
14、and Note b for part number markings). 5. NOTES (This section contains information of a general or explanatory nature that may be helpful, but is not mandatory.) 5.1 Addresses for obtaining copies of referenced non-Government publications. Copies of ASTM A1011/A1011M “Standard Specification for Steel
15、, Sheet and Strip, Hot-Rolled, Carbon, Structural, High-Strength Low-Alloy, High-Strength Low-Alloy with Improved Formability, and Ultra-High Strength” and ASTM B633 “Standard Specification for Electrodeposited Coatings of Zinc on Iron and Steel” are available from the American Society for Testing a
16、nd Materials (ASTM), 1916 Race Street, Philadelphia, PA 19103. 5.2 Ordering data. Acquisition documents must specify the following: 1. Title, number, and date of this CID. 2. Issue of DoDISS to be cited in the solicitation, and if required, the specific issue of individual statements referenced. 3.
17、Type and size of gasket, Pin number and quantity required. 4. Selection of applicable level and packaging requirements. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-52489A 5 5.3 Part identification number (PIN). The PINs to be used for gaskets
18、 acquired by this CID, are created as follows: A 52489 - XX Size: 14 - 14mm spark plug size 18 - 18mm spark plug size CID number CID designator 5.4 International interest. Certain provisions of this CID (figures 1 and 2) are the subject of international standardization agreement NATO-STANAG 2602. Wh
19、en amendment, revision, or cancellation of this CID is proposed that will modify the international agreement concerned, the preparing activity will take appropriate action through international standardization channels, including departmental standardization offices, to change the agreement or make
20、other appropriate accommodations. 5.5 Cross-reference data. Gaskets conforming to this CID are substitutable/interchangeable with gaskets conforming to MS35910B, dated 29 June 1979, in accordance with figures 1 and 2. 5.6 Regulatory requirements. The offeror/contractor is encouraged to use recovered
21、 materials in accordance with Public Law 94-580 to the maximum extent practicable. Custodian Air Force 99 PREPARING ACTIVITY: Army AT Army AT Navy - MC Review Activities Army CR4 DLA CC (Project 2920-2009-001) NOTE: The activities listed above were interested in this document as of the date of this document. Since organizations and responsibilities can change, you should verify the currency of the information above using the ASSIST Online database at http:/assist.daps.dla.mil. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
