1、b. I METRIC August.14,- 1995 SUPERSEDING 14 August 1991 (see 5.5) A-A-52514 MIL-P-62423 (AT) COMMERCIAL ITEM DESCRIPTION POWDER, POLYESTER-ALUMINUM (METRIC) The General Services Administration has authorized the use of this commercial item description (CID) for ail federal agencies. 1. SCOPE. This C
2、ID covers a two-component powder containing polyester and alloyed aluminum particles mechanically distributed in a uniform mixture (40 polyester, 60 Si-Al). This powder is primarily intended for use as an abradable coating for use in environments up to 343 degrees Celsius (OC). 2. SALTENTS. 2.1 Mate
3、rials. Uniess otherwise specified herein, the materials used shall be in accordance with the manufacturers materials specification. The use of recovered material made in compliance with regulatory requirements is acceptable providing all requirements of this CID are met (see 5.5). 2.1.1 Eamiuiatian.
4、 The two component mixture shall consist of the percentage by weight as shown in table I. Beneficial comments, recommendations, additions, deletions clarifications, etc. and any other data which may improve this document should be sent by letter to: U.S. Army Tank-automotive and Armaments Command, A
5、“: AMSTA-TR-E. Warren, MI 48397-5000. FSC 9630 NT A. Approved for public release; distribution is unlimited. Licensed by Information Handling Services_ A-A-52514 9999974 0368057 584 Component Percentage (%) A (Aluminum 59 - 61 alloy) Remainder B (Polyester) r A-A-52514 A(A1uminum alloy) 150 100 99 m
6、inimum 75 200 (min) 45 325 85min 70 min ht. B (Polyester) 2.1.2 hrtkbm * . The particle size distribution by weight shall be as shown in table II. 150 100 99min 90 170 85 min 45 325 25 maximum TABLE II. Earticlesize-distributionb.3rJ Sieve designation 1/ Component I Weight passed through sieve X X X
7、 X X X Weight retained on sieve 2.1.3 Chemicaimmp&m. The chemical composition of components A and B shall conform to the percent by weight specified in the following: - uminum). The chemical composition of component A shall be a. CcmpcmentAhhm as specified in table III. . 2 Licensed by Information H
8、andling ServicesI A-A-52514 = 9999974 0368058 410 A-A-52514 * BLEIII. c%exxliCal-( Elements Silicon Iron Other elements,each Other elements, total Aluminum Copper mpos i t ion0 f. campanenta. % by weight Minimum Maximum 13.0 0.8 0.3 0.2 0.6 Remainder b. SlampanentB. Component B shall be a completely
9、 aromatic polyester system. 2.1.4. lbqerks. The material shall meet the following properties requirements when applied (plasma sprayed) to iron, and titanium base alloys. a. Banbstrength. The bond strength of the plasma-sprayed material shall be not less than 7.6 megapascals (MPa). b. Cuptest. The a
10、mount of draw before spalling of the coating shall not be less than 1.52 millimeter (mm). 2.2 - * ers. Unless othemise specified (see 5.3), the unit containers shall be capable of holding the following quantities of powder: 0.5, 1.0, 255.0, and 10.0 kilograms (kg). The containers shall be sealed moi
11、sture proof units and large enough to permit mixing the powder within before use. The containers shall be capable of protecting the powder against damage or contamination until it is ready to be used. . 2.3 shall include, as a minimum, the manufacturers CAGE code, part number, and lot number and the
12、 part or identification number (PIN) (see 5.3). * s. The identification markings shall be permanent and legible and 2.3.1 Labeling. Unit containers and packages shall be conspicuously labeled “CALJTION: Containers contain powder aluminum. Use approved respirator.“ 2.3.2 Container * . Each container
13、shall be marked “Polyester-Aluminum Powder“. 3 Licensed by Information Handling ServicesA-A-52534 W 9999974 OLb8059 357 A-A-52514 3. -CEPROVISION s . 3.1 inspections (examinations and tests). fnr jnsDection . The contractor is responsible for the performance of all 3.2 V - . The contractor shall cer
14、tify and maintain substantiating evidence that the product offered meets the 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
15、 not be submitted for Government acceptance. The Government reserves the right 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. 1 QBCKING, LABELING,A.MQMAEXING Preservation, packaging, packing, l
16、abeIing, and marking shall be as specified in the contract or order (see 5.2). 5. NOTES (”his section contains information of a general or explanatory nature that may be helpful, but is not mandatory.) 5.1 gmpkdreferenced documents. . Copies of ASTM Ei 1 “Standard Specification for Wire 5.1.1 Non-Go
17、v_emmentg&hmas Cloth Sieves for Testing Purposes are available from the American Society for Testing and Materials, 1916 Race Street, Philadelphia, PA 19103. 5.2. Ckderingdata. Acquisition documents must specify the following: a. Title, number, and date of this CID. b. Issue of Department of Defense
18、 Index of Specifications and Standards (DODISS) to be cited in the solicitation, and if required, the specific issue of individual documents referenced. c. Selection of applicable level and packaging requirements. d. Unit container and PIN number. e. Unit container size if other than specified. 1. T
19、he PINS to be used for powder acquired to this CID, 5.3 L are created as follows: . 4 Licensed by Information Handling ServicesA-A-52514 A 52514 - X Unit of Measure 1 = 0.5 (Kg) 2 = 1.OKg 3 = 2.5Kg 4= 5.0 Kg 5 = 10.0 Kg CID number Designates a CID 5.4 m. Powder conforming to this CID is interchangea
20、ble/substitutable with powder conforming to MIL-P-2423(AT). Cross reference to former part number is as indicated in table IV. TABLE IV. Cross reference. Unit Container size 0.5 Kg 1.0 Kg 2.5 Kg 5.0 Kg 10.0 Kg PIN A52514-1 A52514-2 A525 14-3 A525 14-4 A525 14-5 Former PIN No. M62423- 0.5Kg M62423- 1
21、.OKg M62423- 2SKg M62423- 5.OKg M62423-10.OKg 5.5 SLipersessiandata. This CID supersedes Textron Lycoming (Allied Signal) intemal/ specification M3955E, dated 26 April 1982. - 5.6 Begdatmpxphments. The offerorkontractor is encouraged to use recovered materials in accordance with Public Law 94-580 to the maximum extent practicable. MILITARY INTERESTS: Custodian: Army - AT CIVIL AGENCY COORDINATING ACTIVITY: GSA-FSS PREPARING ACTIVITY: Amy - AT (Project 9630-0030) 5 Licensed by Information Handling Services
