1、 Comments, suggestions, or questions on this document should be addressed to U.S. Army RDECOM, Tank Automotive Research, Development and Engineering Center, ATTN: RDTA-EN/STND/TRANS MS #268, 6501 E. 11 Mile Road, Warren, MI 48397-5000 or emailed to DAMI_STANDARDIZATIONconus.army.mil. Since contact i
2、nformation can change, you may want to verify the currency of this address information using the ASSIST Online database at https:/assist.daps.dla.mil. AMSC N/A FSC 5430 INCH-POUND MIL-PRF-53068B (AT) 16 September 2010 SUPERSEDING MIL-PRF-53068A(AT) 15 March 1996 PERFORMANCE SPECIFICATION TANKS, LIGH
3、TWEIGHT, COLLAPSIBLE, PILLOW 160 GALLON (NOMINAL), DRINKING WATER This specification is approved for use by all Departments and Agencies of the Department of Defense. 1. SCOPE 1.1 Scope. This specification covers tanks, lightweight, collapsible, pillow 160 gallon (nominal) for drinking water storage
4、 and transport, hereinafter called “tank”, complete with fittings and repair items. 2. APPLICABLE DOCUMENTS 2.1 General. The documents listed in this section are specified in sections 3, 4, or 5 of this standard. This section does not include documents cited in other sections of this standard or rec
5、ommended for additional information or as examples. While every effort has been made to ensure the completeness of this list, document users are cautioned that they must meet all specified requirements of documents cited in sections 3, 4, or 5 of this standard, whether or not they are listed. 2.2 Go
6、vernment 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 cited in the solicitation or contract (see 6.2).
7、 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-53068B 2 FEDERAL STANDARDS FED-STD-191 - Textile Test Methods FED-STD-595/30277 - Sand Brown COMMERCIAL ITEM DESCRIPTIONS A-A-59326 - Coupling Halves, Quick-Disconnect, Cam-Locking Type A-A-593
8、26/10 - Coupling Half, Cap, Dust, Type IX A-A-59326/12 - Reducer, Male by Female and Female by Male, Type XI A-A-59566 - Hose, Rubber, and Hose Assemblies, Rubber, Smooth Bore, Water Suction and Discharge DEPARTMENT OF DEFENSE SPECIFICATIONS MIL-R-52255 - Repair Kit and Repair Kit Components for Col
9、lapsible Fabric Tanks, Drums, and Boats (Unless otherwise indicated, copies of the above documents are available from Document Automation and Production Service, Building 4/D, 700 Robbins Avenue, Philadelphia, PA 19111-5094 or website: https:/assist.daps.dla.mil/quicksearch/.) 2.2.2 Other Government
10、 documents, drawings, and publications. The following other Government documents, drawings, and publications form a part of this specification to the extent specified herein. Unless otherwise specified, the issues of these documents are those cited in the solicitation or contract (see 6.2). Code of
11、Federal Regulations (CFR) 10CFR40 - Domestic Licensing of Source Material 21CFR177.2600 - Rubber Articles Intended for Repeated Use 49CFR - Transportation (Copies of these documents are available from www.gpoaccess.gov/cfr/index.html or U.S. Government Printing Office, P.O. Box 979050, St. Louis, MO
12、 63197-9000.) Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-53068B 3 TEST AND EVALUATION COMMAND (TECOM) ITOP-2.2.610.1 - Tracked-Vehicle Gradeability and Side Slope Performance (Application for copies should be addressed to the US Army Tes
13、t and Evaluation Command, 4501 Ford Ave, Alexandria, VA 22302-1458) DEPARTMENT OF ARMY Field Manual (FM) 3-5 - Nuclear, Biological, Chemical (NBC) Decontamination (Copies of these documents are available from http:/www.army.mil/USAPA/index.html.) 2.3 Non-Government publications. The following docume
14、nt(s) 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 contract (see 6.2). AMERICAN NATIONAL STANDARDS INSTITUTE (ANSI) ANSI/ASQC Z1.4 - Sampling Procedures and Tables for Inspections by Attr
15、ibutes (DoD Adopted) (Application for copies should be addressed to the American National Standards Institute, 25 West 43rd Street, New York, NY 10036 (or website: http:/www.ansi.org/) or American Society for Quality, 600 North Plankinton Avenue, Milwaukee, WI 53203 (or website: http:/www.asq.org/).
16、 AMERICAN PUBLIC HEALTH ASSOCIATION, (APHA) Standard Methods for the Examination of Water and Wastewater (Application for copies should be addressed to the American Public Health Association, 800 I Street, NW, Washington, DC 20001-3710 or website: http:/www.apha.org/.) Provided by IHSNot for ResaleN
17、o reproduction or networking permitted without license from IHS-,-,-MIL-PRF-53068B 4 ASTM INTERNATIONAL ASTM D 412 - Standard Test Methods for Vulcanized Rubber and Thermoplastic Rubbers and Thermoplastic Elastomers - Tension (DoD Adopted) ASTM D 413 - Standard Test Methods for Rubber Property - Adh
18、esion to Flexible Substrates (DoD Adopted) ASTM D 429 - Standard Test Methods for Rubber Property - Adhesion to Rigid Substrates (DoD Adopted) ASTM D 471 - Standard Test Method for Rubber Property - Effect of Liquids (DoD Adopted) ASTM D 750 - Standard Test Method for Rubber Deterioration in Carbon-
19、Arc Weathering Apparatus (DoD Adopted) ASTM D 751 - Standard Test Methods for Coated Fabrics (DoD Adopted) (Application for copies should be addressed to the American Society for Testing and Materials, 100 Barr Harbor Drive, West Conshohocken, PA 19428-2959 or website: http:/www.astm.org/.) MANUFACT
20、URERS STANDARDIZATION SOCIETY OF VALVE AND FITTING INDUSTRY (MSS) MSS-SP72 - Valves, Ball, With Flanged or Butt-Welding Ends for General Service MSS-SP110 - Ball Valves Threaded, Socket-Welding, Solder Joint, Grooved and Flared Ends (Copies of these documents may be purchased from the Manufacturers
21、Standardization Society of Valve and Fitting Industry, 127 Park Street, N.E., Vienna, Virginia, 22180 or website: http:/mss-hq.org/.) NATIONAL SANITATION FOUNDATION (NSF) NSF Standard 14 - Plastics Piping Components and Related Materials (DoD Adopted) (Application for copies should be addressed to t
22、he National Sanitation Foundation, P.O. Box 130140, Ann Arbor, MI 48113-0140 or website: http:/www.nsf.org/.) Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-53068B 5 2.4 Order of precedence. Unless otherwise noted herein or in the contract,
23、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 a specific exemption has been obtained. 3. REQUIREMENTS 3.1 First article. Wh
24、en specified (see 6.2), a first article sample shall be subjected to first article inspection in accordance with 4.2. 3.2 Materials. Unless specified herein, materials shall be in accordance with the manufacturers materials specifications for water tanks. Asbestos, cadmium, and radioactive material
25、will not be used in this item. Radioactive material is defined by 10CFR40, and other radioactive material in which the radioactivity is greater than 0.002 microcuries per gram or 0.01 microcuries total activity for the item. The materials shall be capable of meeting all of the operational and enviro
26、nmental requirements specified herein (see 4.5.1 and 4.5.2). Recovered materials shall be used to the maximum extent practicable. 3.2.1 Metals. All metals used in the construction of the tank shall be of a corrosion-resistant type or shall be suitably protected to resist corrosion during the normal
27、storage and service life of the tank (see 3.5.5). The use of dissimilar metals in intimate metal to metal contact shall be avoided. 3.2.2 Liner. The liner and all surfaces that contact drinking water shall conform to the 21CFR177.2600 and 21CFR1-1299 for contact with food, or be listed acceptable fo
28、r contact with drinking water by NSF Standard 14. 3.2.3 Coating compounds. Each and every compound used for the formulation of elastomeric coating, tie gums, diffusion barrier (if used), and any other materials applied to the coated fabric shall conform to table I and shall be suitable for use with
29、drinking water. The coating compounds shall be suitable for use when in continuous contact with rainwater and ground water, and shall be fungus and weather resistant (see 4.5.3.10). 3.2.4 Coated fabric. The coated fabric shall be free from blisters or pin-holes and shall show no signs of coating del
30、amination. The coated fabric shall withstand the effects of humidity, fungus, ozone, and weather elements without damage, deterioration, or failure of meeting performance requirements specified herein. The exterior coating of the coated fabric shall be Sand Brown, # 30277 of FED-STD-595. The coated
31、fabric shall conform to the requirements of table II (see 4.5.3.12). Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-53068B 6 TABLE I. Characteristics of coating compounds. Item Property Requirement Test paragraph, ASTM or applicable test met
32、hod 1 Tensile strength (initial) 1500 pounds per square inch (psi) (minimum (min) D 412 2 Ultimate elongation 300 percent (%) (min) D 412 3 Tensile strength after immersion in distilled water at 1602 degrees Fahrenheit (F) for the following durations: 14 days 42 days 80% of initial 70% of initial D
33、471 D 471 4 Resistance to light after 750 hours accelerated weathering at 10% elongation 1/ 75% of initial tensile strength D 750 2/ 5 Taste and odor 3/ Threshold odor number shall not exceed 2. The Taste rating scale value shall not exceed 4. APHA Standard Methods for Examination of Water and Waste
34、water 1/ Applicable to all exterior compounds. That is, compounds between the nylon cloth and the outside of the tank. 2/ Alternate corex D filters in place. 3/ Applicable to all interior compounds. 3.3 Design and construction. The tank shall conform to the manufacturers design and construction for
35、lightweight, collapsible, 160 gallon, drinking water storage and transportation tank (see 4.5.2). Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-53068B 7 TABLE II. Characteristics of coated fabric. Item Property Requirement Test paragraph or
36、 test method of FED-STD-191 1 Weight (ounces per square yard (oz/sq yd) 30 min/62 maximum (max) 5041 2 Tearing strength wrap and fill 25 pounds (lbs) (min) 5134 3 Breaking strength 350 psi (min) 5102 4 Weathering resistance after 750 hours exposure at 5% elongation, warp and fill 80% retention of in
37、itial breaking strength (min) 5804/5102 1/ 5 Puncture resistance 110 lbs (min) 4.5.3.13/5120 6 Low temperature crease resistance: a. Appearance after unfolding No cracking, peeling or delamination 4.5.3.14 7 Fungus resistance No cracking, blistering, or delamination of coating. Retention of breaking
38、 strength 70% (min). 5762 2/ 8 Blocking Specimens to separate within 5 seconds 4.5.3.15 9 Coating adhesion (initial) 15 psi (min) 4.5.3.16 and 4.5.3.16.1 10 Coating adhesion after immersion in distilled water at 1602 F for the following durations: 14 days 42 days 12 psi 10 psi 4.5.3.16.1 4.5.3.16.1
39、1/ Specimens shall have exterior coating facing carbon arc. Alternate corex D filters shall be removed. 2/ Except that the specimens shall be prepared in accordance with method 5102 and the number of specimens shall be reduced from 40 to 5 warp and 5 fill. Leaching of specimens is unnecessary. The s
40、pecimens shall be exposed to the soil for eight weeks. 3.3.1 Seams. All tank seams including end closures, handle patches, chafing patches and fabric flanges of fittings, shall conform to the requirements of table III. Seams between adjacent panels of coated fabric shall be constructed as to prevent
41、 wicking of water through the fabric. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-53068B 8 TABLE III. Characteristics of seams. Item Property Requirement Test paragraph, test methods of ASTM test methods 1 Breaking strength (initial) 1/ 5
42、00 psi (min) D751 2/ 2 Breaking strength after immersion in distilled water at 1602 F for the following durations: 14 days 42 days 280 psi 280 psi D471/D751/4.5.3.17 D471/D751/4.5.3.17 3 Dead load shear resistance under 50 psi stress at 1805 F for 8 hours 0.1 inch slippage (max) 4.5.3.18 4 Peel adhe
43、sion (initial) 15 psi (min) D413 machine methods 5 Peel adhesion after immersion in distilled water at 1602 F for the following durations: 14 days 42 days 12 psi 10 psi D413 machine methods/ D471/4.5.3.17 D413 machine methods/ D471/4.5.3.17 1/ All specimens must break in the coated fabric. Failure o
44、f any specimen in a seam area at any value shall constitute failure of this test. 2/ Specimens shall be 2 inches in width. 3.3.2 Chafing patches. The interior and exterior of the tank, opposite the location of each fitting shall be provided with bonded coated fabric chafing patches. The chafing patc
45、hes shall be the same coated fabric used to fabricate the tank. 3.3.3 Bonded fittings. 3.3.3.1 Fitting type. Unless otherwise specified (see 6.2), each tank shall be furnished with a 2-inch male quick disconnect inlet/outlet mounted on the tank top. The fittings shall be compression type and shall b
46、e bonded to the tank fabric. The fittings must meet the requirements of table IV. The design of all cam-locking type, quick disconnect couplings shall conform to A-A-59326. The maximum torque for all fitting bolts shall be stamped onto the fitting flange plates or stenciled on the tank fabric adjace
47、nt to the respective fittings, in .18-inch lettering. The tank shall be supplied with a 2-inch anodized aluminum ball valve conforming to MSS-SP72 or MSS-SP110. The valve shall be female to male, quick disconnecting and shall have a one quarter turn handle with a locking mechanism. Also included sha
48、ll be a 2-inch cam-lock dust cap with keeper chain. The tank shall be equipped with a valve for bleeding air from the tank. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-53068B 9 TABLE IV. Characteristics of bonded fittings. Item Property R
49、equirement Test paragraph or ASTM test methods 1 Aluminum to coated fabric bond strength (initial) 350 psi (min) 4.5.3.19 and 4.5.3.19.1 2 Bond strength of fitting after immersion in distilled water at 1602 F for the following durations: 14 days 42 days 280 psi (min) 180 psi (min) 4.5.3.19 and 4.5.3.19.2 4.5.3.19 and 4
