1、Beneficial comments recommendations, additions, deletions, clarifications, etc. and any data that mayimprove this document should be sent to: Defense Logistics Agency, Defense Supply Center, Columbus(DSCC-VAI), P.O. Box 3990, Columbus, OH 43216-5000.FSC 4720INCH-POUNDA-A-595653 July 2001SUPERSEDINGZ
2、Z-H-500C10 September 1987Amendment 120 March 1992COMMERCIAL ITEM DESCRIPTIONHOSE, RUBBER, AND HOSE ASSEMBLIES, RUBBER:PNEUMATIC (YARN OR FABRIC REINFORCED)The General Services Administration has authorized the use of thiscommercial item description for all federal agencies.1. SCOPE. This commercial
3、item description (CID) covers rubber hose and rubber hose assemblies withyarn, cord, or fabric reinforcement intended for light duty air applications.2. CLASSIFICATION.2.1 Sizes . Hose covered by this CID will be of the sizes (inside diameter) listed in table I, as specified(see 7.2).3.0 SALIENT CHA
4、RACTERISTICS.3.1 Materials . Materials used shall be free from defects that would adversely affect the performance ormaintainability of individual components or of the overall assembly. Materials not specified herein shallbe of the same quality used for the intended purpose in commercial practice. T
5、he term “recoveredmaterials” means materials that have been collected or recovered from solid waste and reprocessed tobecome a source of raw materials, as opposed to virgin raw materials. None of the above shall beinterpreted to mean that the use of used or rebuilt products is allowed under this spe
6、cification, unlessotherwise specified (see 7.2).3.1.1 Rubber . Materials used for cover, tube, and intermediate layer of fabric friction shall be made fromnatural rubber, synthetic rubber, or a blend of natural and synthetic rubber, and shall meet therequirements of this specification. Such material
7、 is hereafter referred to as rubber. Cover material shallbe ozone and oil-resistant (see 3.9 and 3.10). The rubber compound used in construction of the hoseshall be free from all substances that might affect the quality of the hose.3.1.2 Reinforcement . The fabric, yarn, or cord used for reinforceme
8、nt shall be made from high-gradecotton or synthetic fiber sufficiently strong to enable the hose to meet the hydrostatic burst pressurerequirement. The materials shall be free from mechanical defects.Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-
9、A-5956523.2 Configuration . The rubber pneumatic hose and rubber hose assemblies (yarn or fabric reinforced)shall conform to the following requirements.3.2.1 Hose . The hose shall consist of:a. An inner rubber tubeb. Reinforcement pliesc. An outer rubber cover3.2.2 Tube and cover . The tube and cove
10、r shall be smooth, free from pitting, uniform in quality andthickness, and free from defects that may cause injury. This requirement is not intended to exclude a“wrapped finish” appearance or corrugated finish on the cover.3.2.3 Reinforcement plies . Reinforcement plies of yarn or cord may be applie
11、d over the tube by braiding,knitting, or helical winding. When multiple plies of braided or knitted yarn or cord are used, a distinct layerof rubber compound shall be used between the plies to facilitate adhesion to one another and to the tubeand cover. When plies of square woven fabrics are used, t
12、he plies shall be applied on a bias ofapproximately 45 and shall overlap not less than .5 inch. The plies of fabric shall be well frictioned withsuitable rubber compound to enable adhesion to each other, to the inner tube, and to the outer asspecified in table I.3.3 Couplings . Coupling, when requir
13、ed, shall be in accordance with A-A-59553, A-A-50431, A-A-59439,or standard brass air hose stems and ferrules (on hoses up to and including -inch inside diameter), asspecified (see 7.2). Synthetic rubber washers shall be supplied with female couplings. Couplings shallbe able to withstand the hydrost
14、atic proof test pressure specified in table I.3.4 Clamps . Unless otherwise specified (see 7.2 ), hose assemblies shall be furnished with type A, C, D,or F hose clamps conforming to A-A-52506, or furnished with an interlocking type clamp.3.5 Length . The length of hose, up to and including 1-inch di
15、ameter, shall be 25 feet or multiples thereofup to 500 feet; the length of hose 1-1/4 and 1-1/2 inches in diameter shall be 25 feet or multiples thereofup to 250 feet; the length of 2-inch diameter hose shall be 25 feet or 50 feet (see 7.2).3.5.1 Tolerance . A tolerance of 2 percent in length shall
16、be permitted.3.6 Physical requirements . The hose shall conform to the requirements specified in table I, when testedin accordance with the applicable test method in table II, with any modification specified herein.3.6.1 Tensile strength and elongation . The tensile strength and elongation of the ho
17、se tube and cover,before aging, shall be as specified in table I, when tested in accordance with the test method specified intable II.3.6.2 Adhesion . The minimum force required for separation of cover and plies, tube and plies, orbetween plies (if applicable) shall be as specified in table I, when
18、tested in accordance with the testmethod specified in table II.3.6.3 Proof pressure, coupled assemblies . Hose fitted with couplings shall withstand the proof pressurespecified in table I for at least one minute, when applied in accordance with the test method specified intable II. Water shall be us
19、ed as the test media. Leakage or other evidence of defects shall be cause forrejection.3.6.4 Burst Pressure . The hose shall withstand the burst pressure specified in table I when applied inaccordance with the test method specified in table II. Water shall be used as the test media. Leakage orother
20、evidence of defects shall be cause for rejection.Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-595653TABLE I. Physical requirements for hose and hose assemblies .Hose sizes,inside diameter(inches) 1/4 5/16 3/8 7/16 1/2 5/8 3/4 1 1-1/4 1-1/2 2To
21、lerance, , ofhose insidediameter.031 .031 .031 .031 .031 .031 .031 .062 .062 .062 .062Wall Thickness,inch, (min.)Tube .040 .040 .040 .047 .047 .047 .047 .047 .063 .063 .063Cover .047 .047 .047 .047 .047 .047 .047 .047 .047 .047 .047Hydrostatic TestPressure, psi(min)Proof test(Hose withcoupling) 1/30
22、0 300 300 300 300 250 250 250 250 250 250Burst test(Hoses only) 1000 1000 1000 900 900 700 700 700 600 600 600Adhesion,lbs./inch (min)Cover andplies: 8 8 8 8 8 8 8 8 8 8 8Tube andplies: 8 8 8 8 8 8 8 8 8 8 8Between plies(whenapplicable)8 8 8 8 8 8 8 8 8 8 8Tensile strength,psi (min)Cover: 1000 1000
23、1000 1000 1000 1000 1000 1000 1000 1000 1000Tube: 750 750 750 750 750 750 750 750 750 750 750Ultimateelongation,percent (min)Cover : 200 200 200 200 200 200 200 200 200 200 200Tube: 150 150 150 150 150 150 150 150 150 150 1501 / Hose fitted with universal quick-acting couplings conforming to A-A-595
24、5 3 shall withstand a165 -pound force per square inch (psi) hydrostatic proof test pressure.Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-595654TABLE II. Test methods .Physical Requirement Test Method ReferenceHose size inside diameter ASTM D38
25、0 table IThickness of tube and cover ASTM D380 table ITensile strength andelongationASTM D380ASTM D412 table IOil resistance ASTM D380 3.9Adhesion ASTM D413 table IOzone resistance ASTM D1149 3.10Hydrostatic pressureProof pressureBurst pressureASTM D380ASTM D380table I, 3.6.3table I, 3.6.4Accelerate
26、d aging ASTM D573 3.7Low temperatureBrittleness (-40 F) table I , 3.8Hose length ASTM D380 3.53.7 Accelerated aging . Hose specimens shall be subjected to accelerated aging in accordance with thetest method specified in table II, except that the time for aging shall be 70 hours at a temperature of 2
27、12 F. After aging, the tensile strength shall be not less than 80 percent of the values specified in table I,and ultimate elongation shall be not less than 50 percent of the values specified in table I.3.8 Low temperature requirement . The hose shall not fracture or crack when hose specimens are ben
28、t180 over a mandrel (10 times outside diameter of the hose) and conditioned for 5 hours at 40 F 3.6 . After conditioning, while at the same temperature, the hose shall be straightened and then bent 180 Fin the opposite direction over the same mandrel. Time consumed in bending shall be held to a maxi
29、mumof 30 seconds. The hose shall show no cracks at the completion of this test. After completion of thisexamination, the sample shall be subjected to the hydrostatic straight bursting test of ASTM D380. Watershall be used as the test media. Failure of the hose at a pressure below the minimum burst p
30、ressurespecified in table I shall be cause for the rejection of the lot.3.9 Resistance to oil . After exposure to oil, the increase in volume of the tube and cover shall not exceed100 percent.3.10 Ozone resistance . After exposure to ozone, the rubber cover shall show no visible cracking under2X mag
31、nification.3.11 Marking of hose . Each length of hose shall be marked in a color that contrasts with the color of thehose cover. The marking shall be accomplished either by inlaying a rubber or suitable material, or byapplying a suitable composition ink, bonding the marking onto the cover so that th
32、e marking cannot beremoved except by mechanical means. The marking shall consist of the manufacturers name ortrademark, the quarter and year of manufacture, the word PNEUMATIC, the maximum working pressure,and the symbol A-A-59565. Hose 50 feet in length or over shall be marked at least every 25-foo
33、tintervals, with letters at least 3/16-inch high. Hose less than 50 feet in length or coupled assemblies shallhave at least one marking.3.11.1 Marking, alternate method . An alternate method of marking may be the application of acontinuous embossed strip along the entire length, vulcanizing the hose
34、 with subsequent removal of thestrip, leaving a continuous relief identification area. A second alternate method of marking is theindentation of a continuous printed legend along the entire length of the hose, applied immediatelyfollowing extrusion of the hose, prior to vulcanization. Identification
35、 shall be as specified in 3.11 andProvided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-595655repeated at maximum intervals of 36 inches. When the marking is accomplished by this alternatemethod, no color contrast is required.3.12 Workmanship . The qua
36、lity of workmanship shall be such as to produce hose and hose assembliesthat are in accordance with the requirements of this CID.4. REGULATORY REQUIREMENTS. The offeror/contractor is encouraged to use recovered material tothe maximum extent practicable, in accordance with paragraph 23.403 of the Fed
37、eral AcquisitionRegulation (FAR).5. PRODUCT CONFORMANCE.5.1 Responsibility for inspection . The contractor is responsible for the performance of all inspections(examinations and tests).5.2 Product conformance . The products provided shall meet the salient characteristics of this CID;conform to the p
38、roducers own drawings, specifications, standards, and quality assurance practices; andbe the same product offered for sale in the commercial marketplace. The government reserves the rightto require proof of such conformance.5.3 Examination . Each hose or hose assembly shall be visually and dimension
39、ally examined forcompliance with requirements. Examination regarding testing to determine conformance to salientcharacteristics shall be accomplished by subjecting hose sample specimens to the tests and methodsspecified in table II. Unless otherwise specified (see 7.2), sampling shall be in accordan
40、ce withANSI/ASQC Z1.4. Any modification necessary following failure to meet the specified requirements shallreceive particular attention for adequacy and suitability. This element of inspection shall encompass allexaminations of material, configuration, performance, and marking requirements. Non-com
41、pliance withany specified requirement, or the presence of one or more defects, shall constitute cause for rejection.6. PACKAGING.6.1 Packaging . Preservation, packing, and marking shall be as specified in the contract or purchaseorder (see 7.2).7. NOTES.7.1 Part or identification number (PIN) . The
42、following part or identification numbering procedure is forgovernment purposes and does not constitute a requirement for the contractor.7.1.1 Example of part or identification number: The PIN AA59565-06-25 specifies a 3/8 inch ID hose 25feet long.7.2 Ordering Data . Acquisition documents should spec
43、ify the following:a. Size of hose required (see 2.1 and 7.1).b. Use of recovered materials, or of used or rebuilt products, if other than specified (see 3.1).c. If couplings are required and type of coupling required (see 3.3).AA59565 - XX - XXXLength in feet (see 3.5)Hose size code number (see 7.5)
44、CID numberProvided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-595656d. If special type of clamp is required (see 3.4).e. Length of hose required (see 3.5 and 7.1).f. Sampling plan, if other than as specified (see 5.3).g. Packaging requirements (see 6
45、.1).7.3 Addresses for obtaining copies of referenced documents .7.3.1 Copies of ASTM standards are available from the American Society of Testing and Materials, 100Barr Harbor Drive, West Conshohocken, PA 19428-2959.7.3.2 Copies of ANSI/ASQC Z1.4 standards are available from the American National St
46、andardsInstitute, 11 W. 42 nd Street, New York, NY 10036, or from the American Society for Quality, 611 EastWisconsin Ave, Milwaukee, WI 53202-3005.7.3.3 The Code of Federal Regulations (CFR) may be obtained from the Superintendent of Documents,U.S. Government Printing Office, Washington, DC 20402.7
47、.3.4 Activities outside the Federal Government may obtain copies of general specifications, standardsand commercial item descriptions as specified in the General Information section of the Index of FederalSpecifications, Standards and Commercial Item Descriptions. The Index is for sale on a subscrip
48、tionbasis from the Superintendent of Documents, U.S. Government Printing Office, Washington, DC 20402.7.4 Working pressure . The maximum working pressures for the hose covered by this CID are shown intable III.TABLE III. Maximum working pressure .Innerdiameter(inches)Maximum working pressure(psi)1/4
49、 2005/16 2003/8 2007/16 1501/2 1505/8 1253/4 1251 1251-1/4 1001-1/2 1002 1007.5 Hose size code number . Hose size is designated by a two-digit code number as indicated in table IV.TABLE IV. Hose size code number .Hose sizecode no. 04 05 06 07 08 10 12 16 20 28 32Hose ID(inches) 1/4 5/16 3/8 7/16 1/2 5/8 3/4 1 1-1/4 1-1/2 2Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-5956577.6 Subject term (key w
