A-A-59326-3A-2003.pdf
INCH-POUND A-A-59326/4A May 1, 2003 SUPERSEDING A-A-59326/4 September 25, 1998 COMMERCIAL ITEM DESCRIPTION SPECIFICATION SHEET COUPLING HALF, MALE BY FLANGE, TYPE IV (TTMA) The General Services Administration has authorized the use of this commercial item description specification sheet, for all 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. 1. SCOPE. This specification sheet covers a male cam-locking type coupling half to be used in conjunction with coupling halves having a flanged end. 2. CLASSIFICATION. The size of the coupling halves is designated in table 1. TABLE 1. Coupling half size. Dash Cam-Lock Flange Dim. No. Nom. Size Nom. SizeC 1 2 2 2.875 2 2 ½ 2 ½ 2.875 3 3 3 2.875 4 4 4 2.875 5 6 6 3.125 6 2 4 2.875 7 1 2 2.875 8 2 3 2.875 9 3 4 2.875 Sizes are in inches 3. SALIENT CHARACTERISTICS. The following characteristics differ from those listed in A-A-59326A. Beneficial comments, recommendations, additions, 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 release; distribution is unlimited. A-A-59364/4A 2 3.1 Hydrostatic test pressure. The ½-inch through 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 ½-inch through 4-inch couplings shall be rated for 150 pounds per square inch working pressure. The 6-inch couplings shall be rated for 75 psi or 150 psi working pressure as appropriate. 3.3 Flange. The flange shall conform to TTMA specifications. 4. NOTES. 4.1 Part Identification Number (PIN). The following PIN procedure 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-59326/4A AA59326/4A-4-SS; /4A indicates a Male Flange Type IV Coupling Half; -4 indicates a 4-inch nominal cam 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 (see A-A-59326A). A-A-59326/4A 3 NOTES: 1. For interpretation of geometric tolerancing symbology, see ASME Y14.5M. 2. The size of the coupling shall conform to table 1. 3. Dimensions are in inches. FIGURE 1. Coupling half. C MIN FLANGE INTERFACE (SEE A A 59326A) .19 REF CAM-LOCK INTERFACE (SEE A-A-59326A) A-A-59364/4A 4 MILITARY INTERESTS: CIVIL AGENCY COORDINATING ACTIVITY: GSA-FSS Custodians: Preparing Activity: Army - AT Army - AT Navy - YD Air Force - 99 (Project 4730-2029-004) Review Activities: Army - AV, GL Navy - MC, SH Air Force - 71 DLA - CC
