NAVY MIL-L-85896-1988 LADDER AIRCRAFT MAINTENANCE ALUMINUM THREE-WAY COMBINATION (STEP STRAIGHT AND EXTENSION) GENERAL SPECIFICATION FOR《一般规格铝三路组合飞机维修梯子(步骤 直接和扩展)》.pdf
《NAVY MIL-L-85896-1988 LADDER AIRCRAFT MAINTENANCE ALUMINUM THREE-WAY COMBINATION (STEP STRAIGHT AND EXTENSION) GENERAL SPECIFICATION FOR《一般规格铝三路组合飞机维修梯子(步骤 直接和扩展)》.pdf》由会员分享,可在线阅读,更多相关《NAVY MIL-L-85896-1988 LADDER AIRCRAFT MAINTENANCE ALUMINUM THREE-WAY COMBINATION (STEP STRAIGHT AND EXTENSION) GENERAL SPECIFICATION FOR《一般规格铝三路组合飞机维修梯子(步骤 直接和扩展)》.pdf(21页珍藏版)》请在麦多课文档分享上搜索。
1、MIL-L-5896 54 9979706 0223LL T c- d; q -90 MIL-L-85896( AS) 8 April 1988 MILITARY SPECIFICATION LADDER, AIRCRAFT MAINTENANCE, ALUMINUM, THREE-WAY COMBINATION GENERAL SPECIFICATION FOR (STEP, STRAIGHT AND EXTENSION) , This specification is approved for use within the Naval Air Systems Command, Depart
2、ment of the Navy, and is available for use by all Departments and Agencies of the Department of Defense. 1. SCOPE 1.1 Scope. This specification establishes the requirements for the manufacture and acceptance of three-way combination (step, straight and extension) aluminum ladders for aircraft mainte
3、nance use. 1.2 Reference identification number. The reference identification number is a definitive part number, which consists of the letter M and the basic number of the specification. Example: MXXXX. 2. APPLICABLE DOCUMENTS 2.1 Government documents. 2.1.1 Specifications and standards. The followi
4、ng specifications and standards form a part of this specification to the extent specified herein. Unless otherwise specified, the issues of these documents shall be those listed in the issue of the Department of Defense Index of Specifications and Standards (DODISS) and supplement thereto, cited in
5、the solicitation. SPEC IF I CATI ONS FEDERAL PPP-B-601 Boxes, Wood, Cleated Plywood PPP-T-97 Tape, Pressure-Sensitive Adhesive, Filament , Reinforced PPP-B-640 BOX, Fiberboard, Corrugated, Triple Wall QQ - S - 7 8.1 Strapping, Steel and Seals Beneficial comments (recommendations, additions, deletion
6、s) and any pertinent data which may be of use in improving this document should be addressed to: Systems Engineering and Standardization Department (Code 53) , Naval Air Engineering Center, Lakehurst, NJ Standardization Document Improvement Proposal (DD Form 1426) appearing at the end of this docume
7、nt or by letter. 08733-5100, by using the self-addressed AMSC N/A FSC 5440 DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited. - . THIS DOCUMENT CONTAINS A/ PAGES. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-L-85
8、896 54 977770b 0223382 3 MIL-L-85896 (AS) SPECIFICATIONS (Continued) MILITARY MIL-T-704 MIL-G-20241 MIL-P-23377 MIL-1-45208 MIL-C-52950 MIL-S-8 1733 STANDARDS MI L I TARY MIL-STD-105 MIL-STD-129 MIL-STD-130 MIL-STD-889 Treatment and Painting of Material Gasket Material, Wool Felt, Impregnated, Adhes
9、ive, Pressure-Sensitive Primer Coating, Epoxy Polyamide, Chemica I and Solvent Resistant Inspection System Requirements Crate, Wood, Open and Covered Sealing and Coating Compound, Corrosion Inhibit ive Sampling Procedures and Tables for Inspection by Attributes Marking for Shipment and Storage Ident
10、ification Marking of U.S. Military Property Dissimilar Metals (Copies of specifications, standards, handbooks, drawings, publications and other Government docurflents required by contractors in connection with specific acquisition functions should be obtained from the contracting activity or as dire
11、cted by the contracting activity.) 2.2 Other publications. The following documents form a part of this specification to the extent specified herein. Unless otherwise specified, the issues of the documents which. are DOD adopted shall be those listed in the issue of the DODISS specified in the solici
12、tation. Unless otherwise spec- ified, the issues of documents not listed in the DODISS shall be the issue of the nongovernment documents which is current on the date of the solicitation. AMERICAN NATIONAL STANDARDS INSTITUTE (ANSI) ANSI A74.2 Safety Requirements for Portable Metal Ladders ANSI/AWS D
13、1.2 Structural Welding Code - Aluminum, Section 5 (Application for copies should be addressed to the American National Standards Institute, 1430 Broadway, New York, NY 10018.) Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-AMERICAN SOCIETY FOR TESTI
14、NG AND MATERIALS (ASTM) ASTM D-3951 Standard Practice for Commercial Packaging (Application for copies should be addressed to the American Society for Testing and Materials, 1916 Race Street, Philadelphia, PA 19103.) (Nongovernment standards and other pub1 ications are normally available from the or
15、ganizations which prepare or which distribute the documents. These documents also may be available in or through libraries or other informational ser.vices. 1 2.3 Order of precedence. In the event of a conflict between the text of this specification and the references cited herein (except for associ
16、ated detail specifications, specification sheets or MS standards), the text of this s ecification shall take precedence. Nothing in this specification, however, has been obtained. s r: all supersede applicable laws and regulations unless a specific exemption 3. REQUIREMENTS 3.1 First article. When s
17、pecified in the contract or purchase order, a sample shall be subjected to first article inspection (see 4.3 and 6.3). The ladder shall conform to all provisions of this specification and ANSI A14.2. 3.2 Materials. Materials shall be as specified herein. Materials not specified shall be selected by
18、the contractor and shall be subject to all provisions of this specification. 3.2.1 Material deterioration and control. The ladders shall be fabricated from compatible materials inherently corrosion resistant or treated to provide protection against the various forms of corrosion and deterioration th
19、at may be encountered in any of the applicable storage and/or operating environment (see 6.2) to which the item may be exposed. 3.2.1.1 Dissimilar metals. Dissimilar metals as defined in MIL-STD-889 shall be electrically insulated from one another to minimize ur prevent galvanic corrosion. such as a
20、 coat of epoxy primer conforming to MIL-P-23377, corrosion inhibiting sealant conforming to MIL-S-81733 or chromate tape conforming to MIL-G-20241. 3.2.1.2 Identification of materials and finishes. The contractor shall identify the specific material, material finish or treatment for use with com- po
21、nents and subcomponents, and shall make information available, upon request, to the contracting officer or his designated representative. Insulation shall be provided by an insulating barrier 3.3 Construction. 3.3.1 Ladder sections. The complete ladder shall consist of two outer (wider, flared) and
22、two inner sections as depicted in Figures 1 through 3. The side rails of the same outer sections shall .be designed to have a minirnum clear width measured at the bottom of the side rail of 12 inches plus 1-1/4 minimum inches per foot of side rail length as required in ANSI A14.2. The 3 Provided by
23、IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-L-85876 54 7797706 0223184 5 U = -_ . MI L-L-85896( AS) c two inner sections shall be hinged. These sections shall support the outer sections and allow various height and length adjustments. Each section shall
24、consist of two side rails joined by rungs at 12 inches plus or minus 1/8-inch intervals (see Figure 4). The bottom rung shall be at a distance from the ground of 6 to 12 inches maximum. The side rails shall be heat-treated structural aluminum, with a section flange of 1 inch maximum, and shall be th
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