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1、INCH-POUND A-A-59326/1A May 1, 2003 SUPERSEDING A-A-59326/1 September 25, 1998 COMMERCIAL ITEM DESCRIPTION SPECIFICATION SHEET COUPLING HALF, MALE BY INTERNAL PIPE THREAD, TYPE I The General Services Administration has authorized the use of this commercial item description specification sheet by all
2、 federal agencies. The complete requirements for procuring couplings described herein shall consist of this document and the latest issue in effect of A-A-59326A. CAM-LOCK INTERFACE (SEE A-A-59326A) THREADED INTERFACE (SEE TABLE) FIGURE 1. Coupling half. Beneficial comments, recommendations, additio
3、ns, deletions, clarifications, etc., and any other data which may improve this document should be sent by letter to: US Army Tank-automotive and Armaments Command, ATTN: AMSTA-TR-D/210, 6501 E. 11 Mile Road, Warren, MI 48397-5000. AMSC N/A FSC 4730 DISTRIBUTION STATEMENT A. Approved for public relea
4、se; distribution is unlimited. A-A-59326/1A 2 1. SCOPE. This specification sheet covers a male cam-locking type coupling half to be used in conjunction with coupling halves having male threaded ends. 2. CLASSIFICATION. The size of the coupling halves is designated in table 1. TABLE 1. Coupling half
5、size. Dash No. Cam-Lock Nom Size Thread FNPT-TPI 1 -14 2 -14 3 1 1-11 4 1 1 -11 5 1 1 -11 6 2 2-11 7 2 2 -8 8 3 3-8 9 4 4-8 10 6 6-8 Sizes are in inches 3. SALIENT CHARACTERISTICS. The following characteristics differ from those listed in A-A-59326A. 3.1 Hydrostatic test pressure. The -inch through
6、6-inch couplings shall withstand a hydrostatic test pressure of 300 pounds per square inch gage (psig). The 6-inch, 75 psi rated couplings shall withstand a hydrostatic test pressure of 150 psig. 3.2 Working pressure. The -inch through 4-inch couplings shall be rated for 150 pounds per square inch w
7、orking pressure. The 6-inch couplings be rated for 75 psi or 150 psi working pressure as appropriate. 3.3 Threads. The coupling threads (female) shall conform to National Tapered Pipe Thread in accordance with ANSI/ASME B1.20.1. 4. NOTES. 4.1 Part Identification Number (PIN). The following PIN proce
8、dure is for government purposes and does not constitute a requirement for the contractor. This example describes a part numbering system for specification sheet A-A-59326/1A. A-A-59326/1A 3 AA59326/1A-3-SS; /1A indicates a Male by Internal Pipe Thread Coupling Half; -3 indicates a 1-inch nominal cam
9、 lock end; and -SS indicates a stainless steel body. Material: A - Aluminum B - Copper Alloy (Brass or Bronze) BA - Aluminum Bronze SS - Stainless Steel 4.2 International standardization. Certain provisions of this specification (dimensions) are the subject of international standardization agreement (see A-A-59326A). MILITARY INTERESTS: CIVIL AGENCY COORDINATING ACTIVITY: GSA-FSS Custodians: Preparing Activity: Army - AT Army - AT Navy - YD Air Force - 99 (Project 4730-2029-001) Review Activities: Army - AV, GL Navy - MC, SH Air Force - 71 DLA - CC
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