DLA A-A-59439 A-2013 COUPLING HALVES QUICK-DISCONNECT.pdf
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1、AMSC N/C FSC 4730 INCH-POUND A-A-59439A 9 December 2013 SUPERSEDING A-A-59439 30 December 1999 COMMERCIAL ITEM DESCRIPTION COUPLING HALVES, QUICK-DISCONNECT The General Services Administration has authorized the use of this commercial item description for all federal agencies. 1. SCOPE. This commerc
2、ial item description (CID) covers the general requirements for coupling halves, quick-disconnect. Coupling halves, quick-disconnect covered by this CID and are intended for commercial/industrial applications. 2. CLASSIFICATION/PART OR IDENTIFICATION NUMBER (PIN). This CID uses a classification syste
3、m which is included in the PIN as shown in the following example (see 7.1). AA52047 - 001 - XX - XX - XX CID CID Size code Hose size Material number Dash code Number 1/ Number 2/ B=Brass Type/class/style Code number (see table I) (See table II) (See table III) C=Steel 1/ The size code indicates the
4、nominal pipe size for styles 1 and 2 and the hose ID for styles 3 and 4. 2/ For style 4 coupling halves, the hose OD must be identified. All other styles use 00. 2.1 Classification. The coupling halves shall conform to the following types, classes and styles. Beneficial comments, recommendations, ad
5、ditions, deletions, clarifications, etc., and any data that may improve this document should be sent to: DLA Land and Maritime, ATTN: VAI, P.O. Box 3990, Columbus OH 432183990, or email fluidflow.dla.mil. Since contact information can change you may want to verify the currency of the address informa
6、tion using the ASSIST Online database at https:/assist.dla.mil/. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-59439A 2 2.2 Type Code. Type I - Female quick disconnect half Type II - Male quick-disconnect half 2.3 Classes. Class A - Low capacit
7、y (0.250-inch size) Class C - High capacity (0.500-inch size) 2.4 Styles. Style 1 - Male threaded end Style 2 - Female threaded end Style 3 - Standard hose end Style 4 - Reusable hose end with hose locking sleeve 2.5 Example PIN: AA59439-05-16-00B is a type I, class C, style 1, brass half used with
8、a 1/2-inch pipe . TABLE I. Type, class and style code number. Code number Type Class Style 001 I A 1 002 I A 2 003 I A 3 004 I A 4 005 I C 1 006 I C 2 007 I C 3 008 I C 4 009 II A 1 010 II A 2 011 II A 3 012 II A 4 013 II C 1 014 II C 2 015 II C 3 016 II C 4 Provided by IHSNot for ResaleNo reproduct
9、ion or networking permitted without license from IHS-,-,-A-A-59439A 3 TABLE II. Applicable size code number for the different styles. Code Style 1 Style 2 Style 3 Style 4 Size (inches) 04 A and shall be suitable for the ID hose specified. The style 4 locking sleeve shall be suitable for the OD hose
10、specified. 3.2.1 Type II half design. Halves shall be designed to properly engage to type I halves and Class A to meet 0.250-inch size, and Class C to meet 0.500-inch size. Styles 1 and 2 shall be similar to figures 5 and 6, respectively. Styles 3 and 4 shall be similar to figure 6 and 7 respectivel
11、y; and shall be suitable for the ID hose specified. The style 4 locking sleeve shall be suitable for the OD hose specified. 3.3 Performance. The coupling halves shall meet the performance requirements of this document. Type I halves must conform to table IV at 100 psi and 70F (21C) ambient temperatu
12、re. TABLE IV. Performance. Class Minimum flow CFM Maximum pressure drop at specified minimum flow (psi) A 10 2-1/2 C 35 2-1/2 3.3.1 Leakage. Type I halves shall not leak while engaged with or while disengaged from type II halves of the same class. 3.4 Structural rigidity. 3.4.1 Type I halves. While
13、engaged with a type II half of the same class, the type I half shall withstand a crush load of 500 pounds applied uniformly to an area of the actuating sleeve surface not exceeding one square inch without permanent deformation or failure. It shall be capable of functioning after removal of the load.
14、 It shall not leak after removal of load. 3.4.2 Locking mechanism. The locking mechanism contained in the type I half shall withstand a tensile load of 500 pounds applied directly to an engaged type II half of the same class without releasing the type II half, or without deformation or failure of th
15、e type I half. The coupling shall not leak after removal of load. 3.5 Marking. Coupling halves, quick-disconnect supplied to this CID shall be marked with the manufacturers (MFRs) standard commercial PIN. (NOTE: The part number marked on the unit pack shall be the CID PIN.) 3.6 Recycled, recovered,
16、or environmentally preferable materials. Recycled, recovered, or environmentally preferable materials should be used to the maximum extent possible provided that the material meets or exceeds the operational and maintenance requirements, and promotes economically advantageous life cycle costs. 3.7 W
17、orkmanship. Coupling halves, quick-disconnect shall be processed in such a manner as to be uniform in quality and shall be free from other defects that will affect life, serviceability, or appearance. 4. REGULATORY REQUIREMENTS. The offeror/contractor is encouraged to use recovered material to the m
18、aximum extent practicable, in accordance with 23.403 of the Federal Acquisition Regulation (FAR). Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-59439A 5 5. PRODUCT CONFORMANCE PROVISIONS. 5.1 Product conformance. The products provided shall mee
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