1、Comments, suggestions, or questions on this document should be addressed to U.S. Army Tank-automotive and Armaments Command, ATTN: RDTA-EN/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 may wan
2、t to verify the currency of this address information using the ASSIST Online database at http:/assist.daps.dla.mil. AMSC N/A FSC 4720 DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited. INCH-POUND MIL-PRF-11588H 21 July 2009 SUPERSEDING MIL-PRF-11588G 15 September 1996
3、PERFORMANCE SPECIFICATION HOSE ASSEMBLIES, RUBBER, SYNTHETIC, LIQUID PETROLEUM FUELS, DISPENSING, COLLAPSIBLE, STANDARD AND LOW TEMPERATURE This specification is approved for use by all Departments and Agencies of the Department of Defense. 1. SCOPE 1.1 Scope. This specification defines the requirem
4、ents for collapsible, synthetic rubber, discharge hose assemblies for use in all ambient temperatures between minus (-) 25 and plus (+) 160 degrees Fahrenheit (F) for standard temperature hose and -60 and +95F for low temperature hose. 1.2 Classification. The collapsible discharge hose assemblies wi
5、ll be of the following types, classes, sizes, and styles as specified (see 6.2): Type I - Hose assembly, gasoline dispensing pump. Class 1 - Coupling halves, quick-disconnect, cam-locking type, hose shank; female both ends. Class 2 - Coupling halves, quick-disconnect, cam-locking type, hose shank; m
6、ale both ends. Class 3 - Coupling halves, quick-disconnect, cam-locking type, hose shank; female one end, male other end. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-11588H 2 Type II - Hose assembly, fuel trailer and carts. Class 1 - Coup
7、ling halves, quick-disconnect, cam-locking type, hose shank; female both ends. Class 2 - Coupling halves, quick-disconnect, cam-locking type, hose shank; male both ends. Class 3 - Coupling halves, quick-disconnect, cam-locking type, hose shank; female one end, male other end. Type III - Hose assembl
8、y, fuel handling system. Class 1 - Coupling halves, quick disconnect, cam-locking type, hose shank; female one end, male other end. Type IV - Hose assembly, aircraft refueling. Class 1 - Couplings, replaceable compression type, internal pipe threads both ends. Class 2 - Couplings, replaceable compre
9、ssion type, external pipe threads both ends. Class 3 - Couplings, replaceable compression type, internal pipe threads one end, external pipe threads other end. Sizes 1.00 inch (in.) 2.00 in. 1.25 in. 2.50 in. 1.50 in. 3.00 in. 4.00 in. Styles ST - Standard temperature hose LT - Low temperature hose
10、2. APPLICABLE DOCUMENTS 2.1 General. The documents listed in this section are specified in sections 3 and 4 of this specification. This section does not include documents cited in other sections of this specification or recommended for additional information or as examples. While every effort has be
11、en made to ensure the completeness of this list, document users are cautioned that they must meet all specified requirement documents cited in sections 3 and 4 of this specification, whether or not they are listed. Provided by IHSNot for ResaleNo reproduction or networking permitted without license
12、from IHS-,-,-MIL-PRF-11588H 3 2.2 Government documents. 2.2.1 Specifications, standards, and handbooks. The following specifications, standards, and handbooks form a part of this document to the extent specified herein. Unless otherwise specified, the issues of these documents are those listed in th
13、e issue of the Department of Defense Index of Specifications and Standards (DoDISS) and supplement thereto, cited in the solicitation (see 6.2). SPECIFICATIONS FEDERAL A-A-52506 - Clamps, Hose, (Low Pressure) A-A-59326 - Coupling Halves, Quick-Disconnect, Cam-Locking Type (Unless otherwise indicated
14、, copies of the above specifications, standards, and handbooks are available from the Standardization Document Order Desk, 700 Robbins Avenue, Building 4D, Philadelphia, PA 19111-5094.) 2.2.2 Other Government documents, drawings, and publications. The following other Government documents, drawings,
15、and publications form a part of this specification to the extent specified herein. Unless otherwise specified, the issues are those cited in the solicitation. DRAWINGS DEPARTMENT OF DEFENSE 13228E1768 - Gasket, Coupling Half, Arctic Service. (Copies of this drawing are available from the U.S. Army T
16、ank-automotive and Armaments Command, AMSTA-TR-E/BLUE, Warren, MI 48397-5000.) 2.3 Non-Government publications. The following documents form a part of this document to the extent specified herein. Unless otherwise specified, the issues of these documents are those cited in the solicitation or contra
17、ct (see 6.2). Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-11588H 4 AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) D2137 - Standard Test Methods for rubber Property - Brittleness Point of Flexible Polymers and Coated Fabrics (DoD Adopte
18、d). D380 - Rubber Hose (DoD Adopted). D381 - Existent Gum in Fuels by jet Evaporation (DoD Adopted). D412 - Test Methods for Rubber Properties in Tension (DoD Adopted). D413 - Test Methods for Rubber Property - Adhesion to Flexible Substrate (DoD Adopted). D471 - Test Method for Rubber Property - Ef
19、fect of Liquids (DoD Adopted). D746 - Brittleness Temperature of Plastics and Elastomers by Impact. D790 - Flexural Properties of Unreinforced and Reinforced Plastics and Electrical Insulating Materials. D1053 - Rubber Property - Stiffening at Low Temperatures: Flexible Polymers and Coated Fabrics.
20、(Application for copies should be addressed to the American Society and Materials, 100 Barr Harbor Drive, West Conshohocken, PA 19428-2959.) AMERICAN NATIONAL STANDARDS INSTITUTE (ANSI) ASQ CZ1.4 - Sampling Procedures and Tables for Inspection by Attributes (DoD Adopted). (Application for copies may
21、 be obtained from the American National Standards Institute, 11 West 42nd Street, New York, NY 10036.) SOCIETY OF AUTOMOTIVE ENGINEERS (SAE) AS38404 - Couplings, Hose, Reattachable Screw-On (Copies of the above documents can be found by sending a letter to the Society of Automotive Engineers, Inc.,
22、400 Commonwealth Drive, Warrendale, PA 15096-0001.) 2.4 Order of precedence. In the event of a conflict between the text of this document and the references cited herein, the text of this document takes precedence. Nothing in this document, however, supersedes applicable laws and regulations unless
23、a specific exemption has been obtained. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-11588H 5 3. REQUIREMENTS 3.1 First article. When specified (see 6.2), a first article sample shall be subjected to first article inspection in accordance
24、with 4.2. 3.2. Materials. Materials not specified herein and on the drawing shall be selected by the contractor and shall be capable of meeting all the requirements specified herein (see 4.5.1). The use of recovered materials shall be made in compliance with regulatory requirements. Used, rebuilt or
25、 remanufactured components, pieces and parts shall not be incorporated in the hose and hose assembly. 3.2.1 Material deterioration prevention and control. The hose and hose assemblies shall be constructed from compatible materials, corrosion resistant or treated to provide protection against the var
26、ious forms of corrosion and deterioration that may be encountered in operation and storage. 3.3 Design and construction. The hose assemblies shall consist of collapsible, reinforced, synthetic rubber hose with couplings or coupling halves at each end firmly banded to the hose with hose clamps (see 4
27、.5.2). 3.3.1 Hose. The hose shall be of a compounded inner tube, synthetic fiber reinforce-ment, and a compounded cover that resists petroleum fuels. The length of the hose shall be actual length, + or - two percent (%), exclusive of couplings and will be in feet with the last number expressed in te
28、nths of a foot (see 6.2), and the color shall be black unless otherwise specified (see 6.2). 3.3.2 Tube. The tube shall be oil resistant, smooth, free from pits and uniform thickness. 3.3.3 Cover. The cover shall be fuel, oil, abrasion, and hydrolytic stability resistant. The cover shall be uniform
29、in thickness. 3.3.4 Ozone resistance. The cover shall be ozone resistant. The cover shall not show signs of cracking when subjected to the ozone test as specified in 4.5.2.1. 3.4 Couplings. The couplings described herein are illustrated in figure 1 and figure 2 (see 4.5.2). 3.4.1 Coupling halves. Co
30、upling halves for types I, II, and III hose shall be in accordance with A-A-59326, type II or IV, Class A or equivalent, as applicable (see 1.2). 3.4.2 Coupling, reattachable, screw on. Couplings for type IV hose shall be in accordance with SAE AS38404, class 1, type I or II or equivalent, as applic
31、able (see 1.2). Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-11588H 6 FIGURE 1. Coupling halves, quick disconnect, cam-locking type, hose shank. FIGURE 2. Coupling, replaceable compression. Provided by IHSNot for ResaleNo reproduction or n
32、etworking permitted without license from IHS-,-,-MIL-PRF-11588H 7 3.4.3 Coupling caps. Couplings used on types I, II and III hose assemblies shall be provided with the type IX dust cap or the type X dust plug conforming to A-A-59326. Couplings used on type IV hose assemblies shall be provided with p
33、rotective, closed-end, reusable, threaded metal or plastic caps or plugs of suitable thickness and composition that shall not be affected by a hard-film corrosion-preventive compound. The caps and plugs shall be made captive to the couplings by means of a chain or similar attachment (see 4.5.2). 3.4
34、.4 Hose clamps. Each cam-locking-type coupling half shall be banded to the hose with 2 hose clamps. The clamps shall conform to A-A-52506, type H. The hose clamps shall be non-reflective (see 4.5.2). 3.4.5 Size and weights. The hose shall be furnished in the diameters and weights shown in table I. T
35、ABLE I. Diameters and weights. Type Inside diameter inches (in.) 1/ Outside diameter inches (in.) (max) Weight pounds/foot (lbs/ft)(max) I and II 1.000 1.250 1.500 2.000 2.500 3.000 4.000 1.500 1.750 2.000 2.500 3.000 3.500 4.500 0.625 0.875 1.000 1.125 1.500 1.750 2.500 III and IV 1.000 1.250 1.500
36、 2.000 2.500 3.000 4.000 1.563 1.813 2.063 2.563 3.063 3.625 4.750 0.750 1.000 1.125 1.250 1.750 2.000 2.625 1/ +0.063 inches 3.4.6 Gasket. For the style LT hose, the gaskets normally supplied with quick-disconnect couplings shall be replaced with gaskets conforming to Drawing 13228E1768. Where tole
37、rances could cumulatively result in incorrect fits, the contractor shall provide tolerances within those prescribed on the drawing to insure correct fit and operation. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-11588H 8 3.5 Performance c
38、haracteristics. 3.5.1 Hydrostatic pressure. Each type of hose assembly shall withstand the following pressure in pounds per square inch gage psig as shown in table II. The hose with couplings attached shall not leak or show any imperfections (see 4.5.3). TABLE II. Hydrostatic pressure. Type hose ass
39、embly In. size Psig hydrostatic test pressure I II III III III IV IV IV All All 1 thru 2.50 3 4 1 thru 2.50 3 4 100 175 200 250 250 200 250 250 3.5.2 Length change and twist. The length of the hose shall not deviate + or - three % of the original length and shall not twist clockwise or counterclockw
40、ise more than 180 degrees () in 25 ft when tested (see 4.5.4). 3.5.3 Burst. Each type of hose assembly shall have a minimum burst pressure as shown in table III (see 4.5.5). TABLE III Burst pressure. Hose assembly type Size I.D. (in.) Psig (min) burst pressure Psig working pressure I II III III III
41、IV IV IV All All 1 thru 2.50 3 4 1 thru 2.50 3 4 200 350 400 500 600 400 500 600 50 88 100 125 150 80 100 120 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-11588H 9 3.5.4 Tensile strength. The tensile strength of the tube shall not be less
42、than 1250 pounds per square inch (psi) and the tensile strength of the cover shall not be less than 1000 psi (see 4.5.6 and 4.5.6.1). After immersion, the tensile of the tube and cover strength shall be not less than 600 psi or 40 percent of the original tensile strength. 3.5.5 Ultimate elongation.
43、When tested as specified in 4.5.6, the ultimate elongation of the tube and cover shall be not less than 200% as specified in 4.5.6.1 or, when tested as specified in 4.5.6.2, shall be not less than 40% of the original elongation obtained before immersion. 3.5.6 Adhesion. 3.5.6.1 Original. The adhesio
44、n of the cross section of hose shall be at least 10 pounds (lbs) (see 4.5.6.3). 3.5.6.2 Adhesion after fill. After being exposed to aromatic hydrocarbon fluid (see 4.5.6.4), the adhesion of the cross section of the hose shall be at least 6 lbs. 3.5.7 Volume increase. The volume increase of the tube
45、after immersion (see 4.5.7) shall not exceed 40%, and the volume increase of the cover shall not exceed 70%. 3.5.8 Low temperature flexibility. 3.5.8.1 Relative modulus. For style ST hose, the relative modulus for the inner tube and the outer cover shall be not greater than 5 times its value at room
46、 temperature (see 4.5.8.1). 3.5.8.2 Brittleness. For style LT hose, the low temperature brittleness shall be determined for the tube and cover material after fuel extraction at -60F (-51C). There shall be no evidence of cracking of the tube or cover material (see 4.5.8.2). 3.5.8.3 Modulus of elastic
47、ity. For style LT hose, the modulus of elasticity at -60F (-51C) for the tube and cover materials shall be less than 1 x 105 psi for the tube and less than 0.05 x 105 psi for the cover (see 4.5.8.3). 3.5.9 Existent gum content. The existent gum value shall not exceed 20 mg/100 mL (see 4.5.9). 3.5.10
48、 Continuity wire. Each finished hose assembly shall display a continuous electrical circuit between the ends and couplings (see 4.5.10). Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-11588H 10 3.5.11 Marking. Each length of hose shall be ma
49、rked with the contractors name or trademark, the quarter and year of manufacture, the type, the working pressure, and the words “Hose, liquid Petroleum Fuels, Dispensing, Collapsible, High Temperature “ for Style ST Hose and “Hose, Liquid Petroleum for Fuels, Dispending, Collapsible, Low Temperature” fo