1、 Beneficial comments, recommendations, additions, deletions, clarifications, etc. and any data that may improve this document should be sent to DAMI_STANDARDIZATIONconus.army.mil or U.S. Army RDECOM, Tank Automotive Research, Development and Engineering Center, ATTN: RDTA-EN/STND/TRANS MS #268, 6501
2、 E. 11 Mile Road, Warren, MI 48397-5000. Since contact information 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 4730 Distribution Statement A. Approved for public release; distribution is unli
3、mited. INCH-POUND A-A-59326D October 7, 2011 SUPERSEDING A-A-59326C April 14, 2011 COMMERCIAL ITEM DESCRIPTION COUPLING HALVES, QUICK-DISCONNECT, CAM-LOCKING TYPE, GENERAL SPECIFICATION FOR The General Services Administration has authorized the use of this commercial item description for all federal
4、 agencies. 1. SCOPE 1.1 This commercial item description (CID) covers 23 types of quick-disconnect cam-locking, coupling halves and their fittings used in fuel and water handling equipment. 2. CLASSIFICATION 2.1 The couplings will conform to the following types, classes, sizes and styles. 2.2 Types.
5、 The following are types of quick-disconnect, cam-locking, coupling halves and adapters. Type I Coupling Half, Male by Internal Pipe Thread A-A-59326/1 Type II Coupling Half, Male by Hose Shank A-A-59326/2 Type III Coupling Half, Male by External Pipe Thread A-A-59326/3 Type IV Coupling Half, Male b
6、y Flange, TTMA (Truck A-A-59326/4 Trailer Manufacturers Association) Type V Coupling Half, Female by Internal Pipe Thread A-A-59326/5 Type VI Coupling Half, Female by Hose Shank A-A-59326/6 Type VII Coupling Half, Female by External Pipe Thread A-A-59326/7 Type VIII Coupling Half, Female by Flange,
7、TTMA A-A-59326/8 Type VIII A Coupling Half, Female by Flange, Hexagon A-A-59326/9 Type IX Coupling Half, Cap, Dust A-A-59326/10 Type X Coupling Half, Plug, Dust A-A-59326/11 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-59326D 2 Type XI Reducer
8、, Male by Female and Female by Male A-A-59326/12 Type XII Reducer, Male by External Pipe Thread A-A-59326/13 Type XIII Reducer, External Pipe Thread by Female A-A-59326/14 Type XV Adapter, 45, Female Thread Swivel Collar by Male A-A-59326/15 Type XVI Coupling Half, Female by External Straight Thread
9、s A-A-59326/16 Type XVII Coupling Half, Male by Internal Straight Threads A-A-59326/17 Type XVIII Coupling Half, Female Reducer by Internal Pipe Thread A-A-59326/18 Type XIX Nipple Adapter, Male by External Grooved Pipe A-A-59326/19 Type XX Y Connection, Flanged A-A-59326/20 Type XXI Adapter, Male b
10、y Male A-A-59326/21 Type XXII Adapter, Female by Female, Cam Locking Type A-A-59326/22 Type XXIII Nipple Adapter, Female by External Grooved Pipe A-A-59326/23 2.3 Classes. Coupling halves and adapters will be of the following classes, based on the material of construction. Class A - Aluminum Alloy w
11、ith anodized coating Class B - Copper Alloy (Brass or Bronze) Class BA - Aluminum Bronze Class SS - Stainless Steel 2.4 Sizes. The coupling halves and adapters will conform to the sizes specified in the applicable table of the specification sheets, for the configuration shown on the accompanying fig
12、ure and will be designated by a dash number. 2.5 Styles. The coupling halves shall have the following styles: Style 1 - Style 1 couplings do not require the incorporation of a positive locking mechanism to lock the cam arms in the closed position but the cam arms shall stay in the closed position wh
13、en the coupling halves are assembled. Style 2 - Style 2 couplings shall incorporate a positive locking mechanism to lock the cam arms in the closed position when the coupling halves are assembled. The locking mechanism shall be manually released (the release doesnt have to stay in the released posit
14、ion) before the cam arms can be moved to the open position. 3. SALIENT CHARACTERISTICS 3.1 Description. These coupling halves and adapters are suitable for use with suction hoses, discharge hoses, nozzles, and for various fittings and manifolds. Requirements shall be as defined herein and on the ind
15、ividual specification sheets. In the event that there is a conflict between the two documents, the specification sheet shall govern. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-59326D 3 3.2 Materials. Materials shall be of sufficient durabili
16、ty to meet all performance requirements, in any of the environments, specified herein. Couplings and accessories shall not be made from hazardous materials (HazMats), ozone depleting chemicals (ODCs) or leach or otherwise develop toxins. 3.2.1 Fuel distribution service. Couplings and accessories sha
17、ll be manufactured from any materials suitable for use with gasoline and the following diesel fuels and kerosene-based petroleum fuels. Copper or copper alloys shall not be used where it could come into contact with the fuel. a. MIL-DTL-83133 (JP-8) (NATO F-34) b. MIL-DTL-5624 (JP-5) (NATO F-44) c.
18、ASTM D975 d. ASTM D1655 (Jet A-1) (NATO F-35) 3.2.2 Drinking water service. Couplings and accessories shall be manufactured from any materials suitable for potable water service. Lead shall not be used. The components shall contain no materials or substances that could leak or disintegrate and cause
19、 the water to become non-potable. All surfaces that contact the water shall conform to the applicable Federal regulations for use with potable water. 3.2.3 Recovered materials. Recovered materials, collected from solid waste and reprocessed to become a source of raw material, may be used in the manu
20、facture of the couplings (see 4.0). However, used, rebuilt, or re-manufactured components and parts shall not be incorporated 3.2.4 Dissimilar metals. The couplings and accessories shall be fabricated from compatible materials, inherently corrosion resistant or treated to provide protection against
21、the various forms of corrosion and deterioration to which they are susceptible. Dissimilar metals except for stainless steel pins and key rings shall not be used in intimate contact with each other unless protected against galvanic corrosion. 3.3 Configuration. The coupling halves and fittings shall
22、 conform to these interface requirements (see figures 1 and 2). 3.3.1 Assemblies. The coupling half assembly shall conform to figure 1 and table I. 3.3.2 Male coupling half. Male coupling halves shall conform to figure 2 and table II. 3.3.2.1 Wrenching surfaces. The flats or lugs on the coupling hal
23、f shall be of sufficient size to permit a positive grip by standard tools for manipulation of the coupling half. A boss, or other means, to accept the ring or s-hook, of a retaining chain shall be incorporated on or adjacent to one of the flats or lugs. The ring attaching feature shall be of suffici
24、ent strength to withstand the repeated free fall of a dust cap in accordance with A-A-59326/10. It shall be of sufficient durability to withstand repeated use, without deformation, and shall not bind or abrade the ring or s-hook. Provided by IHSNot for ResaleNo reproduction or networking permitted w
25、ithout license from IHS-,-,-A-A-59326D 4 3.3.3 Female coupling half. Female coupling halves shall conform to figure 3 and table III. For 6-inch coupling halves, more than two cam arms (preferably four cam arms) can be provided for the 150 psi rated coupling halves. 3.3.3.1 Pull rings. The cam arms s
26、hall incorporate assembled pull rings, of sufficient strength and durability to withstand repeated openings of the arms using the rings. The pull rings shall be made of corrosion resistant steels. Neither the rings nor arms shall be abraded or deformed. The pull ring shall not bind, nor rust for the
27、 life of the coupling half. 3.3.4 Gaskets. Female coupling halves shall contain gaskets conforming to figure 4 and table IV. A “G” designation shall be used in lieu of Type and Class designations. A PIN for separate procurement of gaskets (see7.5) shall be AA59326-G-X in other words gaskets will be
28、designated by A-A-59326-G-X or AA59326-G-X or AA59326-G-XX. 3.3.5 Flanges. Flanges for types IV, VIII, and XX shall conform to figure 5 or Outlet Flange for TTMA RP No. 28-04. Unless otherwise mentioned, threads shall be tapered national pipe (NPT) threads. See specification sheets for thread sizes.
29、 3.4 Performance. The coupling assembly shall not leak or distort when subjected to the required hydrostatic pressure for 5 minutes. 3.4.1 Hydrostatic test pressure. Unless otherwise indicated on the specification sheet, -inch through 4-inch couplings shall withstand hydrostatic pressure of not less
30、 than 300 pounds per square inch gage (psig). The 6-inch, 75 psi rated, female cam-locking type coupling halves shall withstand a hydrostatic pressure of not less than 150 psi. The 6-inch, 150 psi rated female cam-locking type coupling halves shall withstand a hydrostatic pressure of not less than 2
31、25 psi. The 6-inch male cam-locking type coupling halves shall withstand a hydrostatic test pressure of 300 psig. 3.4.2 Working pressure. Unless otherwise indicated on the specification sheet, -inch through 4-inch couplings shall be rated for a minimum of 150 pounds per square inch (psi). The 6-inch
32、 couplings shall be rated either for 75 psi or 150 psi as appropriate. The female 6-inch 150 psi rated coupling shall use more than two cam arms, preferably four (4) cam arms. Unless specified otherwise (see 7.3) 6-inch female cam-locking coupling halves shall be rated for 150 psi. 3.4.3 Torque. The
33、 torque required to completely close each cam arm shall be as specified in table III, and the amount of gasket compression shall be as specified in table IV. 3.4.4 Interchangeability. All parts having the same type and size, irrespective of manufacturer, shall be capable of being interchanged, witho
34、ut modification, with no impairment of functional or physical characteristics. 3.5 Identification marking. Couplings shall be legibly and permanently marked in .25.03 inch high characters. On small fittings, characters shall be .130.03 inch or the couplings may be identified on a securely attached t
35、ag or marked on the packaging medium. The markings shall include, as a minimum, the manufacturers identification and a part number. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-59326D 5 4. REGULATORY REQUIREMENTS. The offerer/contractor is enc
36、ouraged to use recovered materials to the maximum extent practicable, in accordance with paragraph 23.403 of the Federal Acquisition Regulation (FAR). 4.1 Regulations. The coupling halves shall comply with all applicable Federal and State mandatory requirements and regulations relative to the manufa
37、cture, packaging and labeling. 5. PRODUCT CONFORMANCE PROVISIONS 5.1 Product conformance. The products provided shall meet the salient characteristics of this commercial item description, conform to the producers own drawings, specifications, standards, and quality assurance practices, and be the sa
38、me product offered for sale in the commercial market. The Government reserves the right to require proof of such conformance. 5.2 Market acceptability. The item offered shall be of the latest model of the standard product of the supplier that shall have been used in the field for at least one year b
39、y commercial organizations. 5.3 Examination. Each coupling assembly shall be examined for compliance with requirements specified in 3.2 through 3.5. Any modification necessary following failure to meet the specified requirements shall receive particular attention for adequacy and suitability. This e
40、lement of inspection shall encompass all examinations of performance and dimensional requirements. Non-compliance with any specified requirements or the presence of one or more defects lessening required efficiency shall constitute cause for rejection. 6. PACKAGING 6.1 Packaging. Preservation, packi
41、ng, and marking shall be as specified in the contract or order. 7. NOTES (This section contains information of an explanatory nature that may be helpful but is not mandatory.) 7.1 Intended use. The quick disconnect couplings and accessories covered by this CID are primarily to be used in suction hos
42、e, discharge hose, and nozzles for various fittings and manifolds for the handling of liquid products, such as aviation fuel, diesel fuel, potable water, or waste water. 7.2 Conformance data requirements. When this CID is used for procurement, the product conformance clause should appear in the soli
43、citation. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-59326D 6 7.3 Acquisition requirements. Acquisition documents should specify the following: a. Title, number, and date of this CID and the related CID specification sheet(s). b. Type, Size,
44、 Class, style and the quantity required. c. Component material designations (see 3.2). d. When working pressure specifies 75 psi for the 6-inch female coupling halves. e. When other than stainless steel pull rings are required (see 7.4.5) f. Packaging requirements (see 6.1) 7.4 Material specificatio
45、n. The contracting officer will select from the following options for materials and finishes. 7.4.1 Housing. Unless otherwise indicated on the specification sheet, materials used in the manufacture of the coupling assembly housings will be as follows: Class A (Aluminum alloy) - UNS A03560 in T6 Temp
46、er, A07120 in T5 Temper per ASTM B26/B26M for castings and Alloy 2011 or 6061 per ASTM B211 for bar stock. Class B (Copper Alloy) - UNS C37700, C83600, C83800, C84400, C90500, or C92200 per ASTM B584 for castings or C36000 per ASTM B16/B16M for bar stock, or copper alloy C37700 per ASTM B283/B283M.
47、Class BA (Aluminum Bronze) - UNS C60600, C61300, C61400, C62400, C63000, C64200 or C64210 per ASTM B150/B150M or per ASTM B148 for castings. Class SS (Stainless Steel) - UNS S30400 or S31600 per ASTM A276 or ASTM A582/A582M for bar stock or per ASTM A314 for forgings or ASTM A743/A743M for castings
48、in grades CF-8 and CF-8M. 7.4.1.1 Finish. Unless otherwise indicated on the specification sheet, coupling assembly housings will be finished as follows: Class A (Aluminum alloy) - Anodic coating, non-dyed, 0.0004 inch minimum thickness Class B (Copper alloy) - Plain (no finish) Class BA (Aluminum Br
49、onze) - Plain (no finish) Class SS (Stainless Steel) - Plain (no finish) or per ASTM A351/A351M for castings Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-59326D 7 7.4.2 Gaskets. Gaskets should be of nitrile material for use in temperatures above -20 F. Nitrile gaskets should conform to ASTM D2000, Grade M2BG610 B14EA14EF21F17Z1Z2. Z1: The compression set
