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-59326/8B April 20, 2011 SUPERSEDING A-A-59326/8A May 1, 2003 COMMERCIAL ITEM DESCRIPTION SPECIFICATION SHEET COUPLING HALF, FEMALE BY FLANGE (TTMA), TYPE VIII The General Services Administration has authorized the use of this commercial item description for all federal agencies
4、 The complete requirements for procuring coupling half described herein shall consist of this document and the latest issue in effect of A-A-59326. 1. SCOPE. This specification sheet covers a Female by Flange (TTMA), Type VIII coupling half to be used in conjunction with a male cam locking type cou
5、pling half or with TTMA outlet flange. 2. CLASSIFICATION. The size of the coupling halves is designated in table I. TABLE I. Coupling half size. Dash No. Cam-Lock Nom. Size Flange Nom. Size Dimension C Gasket Reqd. 1 2 2 5.25 -6 2 2 2 -7 3 3 3 -8 4 4 4 -9 5 6 6 6.125 -10 6 2 4 5.25 -6 7 1 2 -3 8 2 3
6、 -6 9 3 4 -8 NOTE: Sizes are in inches. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-59326/8B 2 F LA NG E D INT E RF A CE ( S E E A - A - 59326 )CA M - LO CK INT E RF A CE ( S E E A - A - 59326 ) C MIN G A S K E T( S E E A - A - 59326 ) P ULL
7、RING S FIGURE 1. Coupling Half TTMA - Truck Trailer Manufacturers Association Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-59326/8B 3 3. SALIENT CHARACTERISTICS. The following characteristics may differ from those listed in the latest issue of
8、 A-A-59326. 3.1 Hydrostatic test pressure. The -inch through 4-inch couplings shall withstand a hydrostatic test pressure of 300 pounds per square inch gage (psig). The 6-inch, 75 psi rated coupling halves shall withstand a hydrostatic test pressure of 150 psig. The 6-inch, 150 psi rated coupling ha
9、lves shall withstand a minimum hydrostatic test pressure of 225 psig. 3.2 Cam arms. The 6-inch 150 psi rated coupling half shall have 4 (four) cam arms. The 6-inch 75 psi rated coupling halve can have 2 cam arms. 3.3 Working pressure. The -inch through 4-inch couplings shall be rated for 150 pounds
10、per square inch working pressure. The 6-inch couplings shall be rated for 75 psi or 150 psi working pressure as appropriate. 3.4 Accessories. The coupling shall be supplied with pull rings and gasket. 4. NOTES 4.1 Part Identification Number (PIN). The following PIN procedure is for government purpos
11、es and does not constitute a requirement for the contractor. This example describes a part numbering system for a specification sheet A-A-59326/8. AA59326/8-3-SS-1; where /8 indicates a Coupling Half, Female by Flange (TTMA), Type VIII, -3 indicates a 3-inch nominal cam lock end, -SS indicates a sta
12、inless steel body and -1 indicates a style 1 coupling. Material: A - Aluminum Alloy B - Copper Alloy (Brass or Bronze) BA - Aluminum Bronze SS - Stainless Steel Style 1 - Style 1 couplings do not require the incorporation of a positive locking mechanism to lock the cam arms in the closed position bu
13、t the cam arms shall stay in the closed position when 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 (th
14、e release doesnt have to stay in the released position) before the cam arms can be moved to the open position. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-59326/8B 4 MILITARY INTERESTS: CIVIL AGENCY COORDINATING ACTIVITY: GSA - FAS Custodians
15、 Army - AT Preparing Activity: Navy - YD Army - AT Air Force - 99 (Project 4730-2011-020) Review Activities: Army - AV, GL Navy - MC, SH Air Force - 71 DLA - CC NOTE: The activities listed above were interested in this document as of the date of this document. Since organizations and responsibilities can change, you should verify the currency of the information above using the ASSIST Online database at https:/assist.daps.dla.mil. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
