1、 MIL-PRF-530276 W 9999906 20159133 9T9 W I INCH-POUND I 14 March 1996 SUPERSEDING 29 May 1985 MIL-PRF-53027B (AT) MIL-H-53027A(ME) PERFORMANCE SPECIFICATION HOSE ASSEMBLY, RUBBER: LIGHTWEIGHT COLLAPSIBLE, 6-INCH; FOR DRINKING (POTABLE) WATER This specification is approved for use by the U.S. Army Ta
2、nk-automotive and Armaments Command, Department of the Army, and is available for use by all Departments and Agencies of the Department of Defense. 1. SCOPE 1.1 ScoDe. This specification covers a 6-inch (in.), lightweight, collapsible rubber hose assembly for drinking (potable) water (see 6.1). 1.2
3、Class ification. The length of the hose assembly is as specified distribution is unlimited. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-2. APPLICABLE DOCUMENTS 2.1 General. The documents listed in this section are specified in sections 3 and 4 of
4、 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 been made to ensure the completeness of this list, document users are cautioned that they must meet all specifie
5、d requirements documents cited in sections 3 and 4 of this specification, whether or not they are listed. 2.2 Government docu men with Bolts and Synthetic - Rubber Gaskets, for Grooved - End Pipe and Tube. STANDARDS FEDERAL FED-STD-595 - Colors Used in Government Procurement. (Unless otherwise indic
6、ated, copies of the above specifications, standards, and handbooks are available from the Standardization Document Order Desk, 700 Robbins Avenue, Building 4D, Philadelphia, PA 191 1 1-5094.) 2.2.2 Other Govament documents. d rawings. and pub lications. The following other Government documents, draw
7、ings, and publications form a part of this document to the extent specified herein. Unless otherwise specified, the issues are those cited in the solicitation (see 6.2). 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- flIL-PRF-53027B m 9999906 203
8、5985 771, m MIL-PRF-53027B (AT) PUBLICATIONS FOOD AND DRUG ADMINISTRATION (FDA) Title 21, Code of Federal Regulations, Chapter 1, Part 177. (The Code of Federal Regulations (CFR) and the Federal Register (FR) are for sale on a subscription basis by the Superintendent of Documents, U.S. Government Pr
9、inting Office, Washington, DC 20402. When indicated, reprints of certain regulations may be obtained from the Federal agency responsible for issuance thereof .) NATIONAL SANITATION FOUNDATION (NSF) NSF Standard 14 - Official Plastics Listing. (Application for copies should be addressed to National S
10、anitation Foundation, 3475 Plymouth Road, Ann Arbor, MI 48105.) 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 the documents which are DoD adopted are those listed in the issue of the DoD
11、ISS cited in the solicitation. Unless otherwise specified, the issues of documents not listed in the DoDISS are the issues of the documents cited in the solicitation (see 6.2). AMERICAN PUBLIC HEALTH ASSOCIATION, INC. (APHA) Standard Methods for the Examination of Water and Wastewater. (Application
12、for copies should be addressed to the American Public Health Association, Inc., 1015 18th Street, Washington, DC 20036.) AMERICAN NATIONAL STANDARDS INSTITUTE (ANSI) ANSI/ASQC Z1.4 - Sampling Procedures and Tables for Inspection by Attributes (DoD Adopted). (Application for copies should be addresse
13、d to the American National Standards Institute, 11 West 42nd Street, New York, NY 10036.) 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-53027B (AT) AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) ASTM D380 ASTM D412 - Standard Test Meth
14、ods for Rubber Hose (DoD Adopted). - Standard Test Methods for Volcanized Rubber and Thermoplastic Rubber and Thermoplastic Elastomers-Tension (DoD Adopted). (DoD Adopted). (DoD Adopted). Cracking in a Chamber (Flat Specimen) (DoD Adopted). ASTM D471 ASTM D5 18 ASTM D1149 - Standard Test method for
15、Rubber Property-Effect of Liquids - Standard Test method for Rubber Deterioration-Surface Cracking - Standard Test Method for Rubber Deterioration-Surface Ozone (Application for copies should be addressed to the American Society for Testing and Materials, 1 O0 Barr Harbor Drive, West Conshohocken, P
16、A 19428-2959.) SOCIETY OF AUTOMOTIVE ENGINEERS, INC. (SAE) SAE J 1086 - Numbering Metals and Alloys (DoD Adopted). (Application for copies should be addressed to the Society of Automotive Engineers, Inc., 400 Commonwealth Drive, Warrendale, PA 15096.) 2.4 Orde r of precedence . In the event of a con
17、flict 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. When specified (see 6.2
18、), a sample shall be subjected to first article inspection (see 4.3 and 6.3). 3.1.1 Sample selection Dlm . As part of the first article test, the contractor shall furnish a sample selection plan within the time specified (see 6.2). The plan shall assure all production hose assemblies are processed i
19、n the same manner and with production personnel as the first article hose assembly, using the same materials and methods as the first article hose assembly. 3.2 Process dah. Within the time span specified (see 6.2), the contractor shall make available to the Government, on the site of manufacture, a
20、 description of materials and a documented inspection instruction which will be used by the contractor to assure that each 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-53027B m 9999906 2015987 544 m MIL-PRF-53027B (AT) production hose as
21、sembly is a duplicate of the first article hose assembly. Change of materials, procedures, or sources of supply from those initially selected shall be subject to the approval of the contracting officer (see 6.3). 3.3 Materials. Materials used shall be in accordance with the manufacturers materials s
22、pecifications for hoses. Materials selected shall be subject to all provisions of this specification (see 4.4.1 and 4.4.2). 3.3.1 Material deterioration areventio n and control . The hose assembly shall be fabricated from compatible materials, inherently corrosion resistant or treated to provide pro
23、tection against the various forms of corrosion and deterioration that may be encountered in any of the applicable operating and storage environments to which the hose assembly may be exposed (see 4.4.1 and 4.4.2). 3.3.1.1 Dissimilar metals. Dissimilar metals shall not be used in intimate contact wit
24、h each other unless protected against galvanic corrosion (see 4.4.2). 3.3.1.2 Identification of materials and finishes. The contractor shall identify the specific material, material finish or treatment for use with component and subcomponent, and shall make information available upon request to the
25、contracting officer or designated representative (see 4.4.1 and 4.4.2). 3.3.2 Elastomer or rubber. 3.3.2.1 Tube. The basic material for the tube shall be a natural or a synthetic compound conforming to the Federal Food, Drug and Cosmetic Food Additives, Title 21, Part 177.2600, Chapter 1, Code of Fe
26、deral Regulations, or the liner material and all surfaces that contact drinking water shall be tested and listed as acceptable for contact with drinking water by the National Sanitation Foundation (NSF) under standard 14. The compounds listed in sections 177.1020, 177.1030, 177.1040, 177.1050, and 1
27、77.1480 of the above document shall not be acceptable materials. Questions pertinent to this effect shall be referred by the procuring activity to the departmental medical services, who will act as an advisor to the procuring activity (see 4.4.1). 3.3.2.2 Cover. The cover shall be elastomeric or rub
28、ber compound for water, ozone, and oil resistance. The color shall be a visual match to FED-STD-595 color number 30277 (see 4.4. i). 3.3.2.3 material finishes or treatments (see 3.3.1.2). Components missing (see 3.4). Identificationof metal alloys not as specified (see 3.3.3). Hose assembly not as s
29、pecified (3.4.1). Hose not as specified (see 3.4.2). Dimensions and weight not as specified (see 3.4.2.1). Hose to grooved adapter not as specified (see 3.4.3). Bands not as specified (see 3.4.3). Grooved couplings not as specified (see 3.4.4). Marking missing, incomplete, or illegible(see 3.7). Fin
30、ish not as specified (see 3.8). Workmanship not as specified (see 3.9). Used, rebuilt, or remanufactured components pieces, or parts = Standard Inspection Equipment. incorporated into the hose assembly (see 3.10). Method of examination Visual Visual Visual Visual Visual Visual/Functional Visual Visu
31、al/SIE Visual/SIE Visual Visual Visual Visual Visual Visual 10 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- MIL-PRF-530278 m 9999906 2035993 848 m MIL-PRF-53027B (AT) 4.4.3 Tests. 4.4.3.1 Test schedu le. Hose assembly shall be subjected to the te
32、sts as specified in table II. TABLE II. Classifici Test Hose asse mblp Hydrostatic pressure Elongation and twist Elastomeric or rubber compounds Initial tensile strength Tensile strength after immersion Ultimate elongation, initial Ultimate elongation after immersion Ozone resistance Oil resistance
33、Taste and odor HQ!se Burst pressure Weight Original adhesion Adhesion after immersion in Low temperature flexibility water iequirement 3.5.6 3.5.7 3.5.2 3.5.2 3.5.3 3.5.3 3.5.4 3.5.5 3.6 3.5.8 3.4.2.1 3.5.1.1 3.5.1.2 3.5.1.3 ion of tea Test 4.4.3.2.1 4.4.3.2.2 4.4.3.3 4.4.3.3 4.4.3.3 4.4.3.3 4.4.3.3
34、 4.4.3.3 4.4.3.3.1 4.4.3.4.1 4.4.3.4.2 4.4.3.4.3 4.4.3.4.4 4.4.3.4.5 7irst irticle X X X X X X X X X X X X X X Conformance Yndividual Sample - XU X X X X X X - X X X X x u L/ One lot testing required for each ten lots submitted. li Provided by IHSNot for ResaleNo reproduction or networking permitted
35、 without license from IHS-,-,-HIL-PRF-53027B 999990b 2035994 784 MIL-PRF-53027B (AT) 4.4.3.2 Hose Assembly. 4.4.3.2.1 Hydrostakprewm . Each hose section shall be subjected to the hydrostatic tests, using water as a test fluid, as specified in ASTM D380 for proof pressure. Nonconformance to 3.5.6 sha
36、ll constitute failure of this test. The hydrostatic test shall be performed with drinking (potable) water. After testing, the hose shall be dried and the ends shall be sealed. 4.4.3.2.2 Elongation and t w ist . Elongation and twist measurement shall be on a hose length not less than 100 ft, laid out
37、 straight. One end of the hose shall be fixed and not allowed to turn. Twist shall be measured at the free end and recorded as clockwise or counterclockwise. The following procedure shall be completed: Pressurize the hose section, using drinking (potable) water as a test fluid, to 10 psi and hold fo
38、r not more than two minutes and mark the length and twist position. After two minutes increase the pressure to 150 psi and mark the length and twist position. Nonconformance to 3.5.7 shall constitute failure of this test. 4.4.3.3 Elastomer IC or rubbe r comr, ounds. Elastomeric or rubber compound sa
39、mples shall be tested as follows: Test method Initial tensile strength ASTM D412 Tensile strength after immersion ASTM D47121 Ozone resistance ASTM D1149 i/ Volume swell ASTM D47131 Initial ultimate elongation ASTM D412 Ultimate elongation after immersion ASTM D47121 Specimens shall be mounted in ac
40、cordance with procedure B, ASTM D518, and ozone concentration shall be 50 shall be 168 hours, temperature of exposure shall be 104F (40C). The samples shall be immersed in distilled water for 14 days at 158F (70C) f 3;6“F (2C). Hose cover samples shall be exposed in ASTM No. 3 oil for 70 hours at 21
41、2F (100C). 10 parts per 100,000,000 (pphm). Time exposure Nonconformance to 3.5.2, 3.5.3,3.5.4, and 3.5.5 shall constitute failure of these tests. 4.4.3.3.1 We a nd odor. Taste and odor test shall be performed in accordance with procedures outlined in American Public Health Association, Standard Met
42、hods for Examination of Water and Wastewater. A sample of the hose shall be filled with distilled water having a 0.2 12 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-53027B m 9999906 2035995 610 m MIL-PRF-53027B (AT) parts per million of to
43、tal available chlorine at the start of the 70-hour test. Sample filled with water shall be maintained at 180F (82C) for 30 minutes and then shall be allowed to cool to 99F (37C). The sample shall be maintained at 99F (37C) for the remaining 69.5 hours. The samples shall be long enough to expose 5.6
44、square inch (in) (36 square centimeters (cm2) of inner tube to one liter of chlorinated distilled water. Nonconformance to 3.6 shall constitute failure of this test. 4.4.3.4 Hose. 4.4.3.4.1 Burst pressure . The test section of hose selected under 4.3.1.2.2 shall be subjected to the straight bursting
45、 test as specified in ASTM D380. Nonconformance to 3.5.8 shall constitute failure of this test. 4.4.3.4.2 WeiEht. A section 12 in. long shall be cut from the test section of hose selected under 4.3.1.2.2 and weighed. Nonconformance to 3.4.2.1 shall constitute failure of this test. 4.4.3.4.3 Original
46、 adhesion. From the test section of hose selected under 4.3.1.2.2, ring specimens shall be prepared in accordance with ASTM D380. The adhesion of the ring specimen shall be determined in accordance with ASTM D380, machine method. Nonconformance to 3.5.1.1 shall constitute failure of this test. 4.4.3
47、.4.4 Adhesion after immersion in water. Specimens prepared as described in 4.4.3.4.3 shall be immersed as specified in 3.5.1.2. Within 5 minutes after removal from immersion, the adhesion shall be determined as specified in 4.4.3.4.3. Nonconformance to 3.5.1.2 shall constitute failure of this test.
48、4.4.3.4.5 Low temperatu re flexibility. A sample 8-ft length of hose shall be folded 180 degrees and tied in the folded position. The hose shall then be conditioned for 72 hours at - 25F (- 31.7“C). The hose shall be removed from the test chamber and unfolded 180 degrees using a force of not more th
49、an 10 lbs within 5 seconds. The unfolding shall be accomplished within 3 minutes after removal from the test chamber. The hose sample shall then be hydrostatic pressure tested at 225 pounds per square inch gage (psig) in accordance with ASTM D380. Hose fabricated with splices shall have two hose test samples, one hose sample folded without a splice, and the other sample folded at the splice. Nonconformance of any t
