DLA A-A-59789 15 A-2013 HOLDER ELECTRICAL CARD WEDGE RETAINERS 5 PIECE FOR COLD PLATE APPLICATIONS 375 X 375 INCH (9 27 x 9 53 mm) BODY SIZE SCREW ACTUATED.pdf
《DLA A-A-59789 15 A-2013 HOLDER ELECTRICAL CARD WEDGE RETAINERS 5 PIECE FOR COLD PLATE APPLICATIONS 375 X 375 INCH (9 27 x 9 53 mm) BODY SIZE SCREW ACTUATED.pdf》由会员分享,可在线阅读,更多相关《DLA A-A-59789 15 A-2013 HOLDER ELECTRICAL CARD WEDGE RETAINERS 5 PIECE FOR COLD PLATE APPLICATIONS 375 X 375 INCH (9 27 x 9 53 mm) BODY SIZE SCREW ACTUATED.pdf(8页珍藏版)》请在麦多课文档分享上搜索。
1、INCH-POUND AA59789/15A 15 January 2013 Superseding AA59789/15 10 May 2008 COMMERCIAL ITEM DESCRIPTION SPECIFICATION SHEET HOLDER, ELECTRICAL CARD, WEDGE RETAINERS, 5 PIECE, FOR COLD PLATE APPLICATIONS, .375 X .375 INCH (9.27 x 9.53 mm) BODY SIZE, SCREW ACTUATED The General Services Administration ha
2、s authorized the use of this commercial item description for all federal agencies. The complete requirements for procuring 5 piece card holders described herein shall consist of this document and the latest issue in effect of AA59789. CLASSIFICATION/PART IDENTIFICATION NUMBER (PIN). This commercial
3、item description (CID) specification sheet uses a classification system which is included in the Part Identification Number (PIN) as shown in the following example (see notes herein). AA59789 CID number /15 Applicable CID sheet * Configuration (see table I) * Finish * * Length (see table II) * Mount
4、ing Example: AA59789/15EH50V is the PIN for a hard black anodized, 4.8 inch (122 mm) long card holder. The card holder also features three tapped for use with 4 40 fasteners. SALIENT CHARACTERISTICS. Performance. Card holders shall hold the circuit card assembly it is attached to firmly in its insta
5、lled position and prevent loosening or movement as a result of shock and vibration. The card holder shall also provide a thermal transfer path from the circuit card assembly to the cold plate or heat sink surfaces. Interface and physical dimensions. The card holders supplied to this CID specificatio
6、n sheet shall be as specified herein and meet the general requirements specified in CID AA59789. Material. Unless otherwise specified herein, the card holder materials shall be as specified in AA59789. Actuating screw hex drive socket. The across flats dimension for hex drive socket shall be .140 in
7、ch (3.60 mm) for mounting options “R“ and “V“ and .118 inch (3.0 mm) for mounting option “Y“. Cold plate slot width. The recommended cold plate slot width to accommodate the circuit card assembly with attached card holder is .425 inch (10.80 mm) plus the thickness of the printed board of the circuit
8、 card assembly (see AA59789). Installation torque. The recommended nominal installation torque is as follows: 20 inch-pounds (2.3 N-m) for assemblies of configuration “C“ and “E“ and 23 inch-pounds (2.6 N-m) for assemblies of configurations “L“ and “D“. AMSC N/A FSC 5998 Provided by IHSNot for Resal
9、eNo reproduction or networking permitted without license from IHS-,-,-AA59789/15A 2 Configuration. The configuration of card holders shall be as specified in table I. The details of a particular configuration consist of those on figure 1 and may include those on figures 2 or 3. TABLE I. Configuratio
10、n. Configuration Applicable figures Hardware options C 1 No added hardware L 1, and 2 Screw self-locking element E 1, and 3 Additional mouning hole D 1, 2, and 3 Screw self-locking element and additional mounting hole Inches mm Inches mm Inches mm Inches mm .365 9.27 .380 9.65 .460 11.68 .75 19.05 N
11、OTES: 1. Dimensions are in inches. Millimeters are given for general information only. 2. Unless otherwise specified, tolerances are .02 inch (0.51 mm) for two place decimals and .010 inch (0.25 mm) for three place decimals. 3. Tolerance for the mounting hole spacing is .005 inch (0.13 mm). 4. The a
12、cross flats dimension for actuating screw hex drive socket shall be .140 inch (3.60 mm) or .118 (3.0 mm) for the corresponding mounting option (see hex drive socket details). FIGURE 1. Relaxed and expanded dimensions. Provided by IHSNot for ResaleNo reproduction or networking permitted without licen
13、se from IHS-,-,-AA59789/15A 3 Finish. The wedge body finish designator shall be as specified in AA59789. The finishes available for this CID specification sheet are as follows: “B“ (black anodize), “E“ (electroless nickel), “H“ (hard black anodize), or “R“ (clear chemical film). Length, expanded, an
14、d relaxed dimensions. The length designator shall be as specified in AA59789. The lengths available for this CID specification sheet are listed in table II. The length, expanded, and relaxed dimensions shall be as specified on figure 1. TABLE II. Additional assembly dimensions (see figure 1). 1/ PIN
15、 length designator Dimension “LENGTH“ .02 (0.5 mm) Dimension “M“ .005 (0.13 mm) Dimension “M/2“ .005 (0.13 mm) 28 2.8 (71 mm) .65 (16.5 mm) .325 (8.26 mm) 38 3.8 (97 mm) 1.65 (41.9 mm) .825 (20.96 mm) 48 4.8 (122 mm) 2.65 (67.3 mm) 1.325 (33.66 mm) 1/ Dimensions are in inches. Millimeters, in parent
16、hesis, are given for general information only. Mounting. The mounting designators shall be as specified in AA59789. The mounting options available for this CID specification sheet are as follows: “R“ (rivet mount holes with counterbore and countersink), “V“ (tapped 440 holes), or “M“ (tapped metric
17、M3 x 0.5 holes). See figure 1 and table I for mounting hole spacing requirements. Rivet mount holes. The holes used for rivet mounting shall be .134 to .139 inch (3.40 to 3.53 mm) diameter through holes, countersunk 100 degrees by .150 inch (3.81 mm) deep. Rivets. This card holder uses rivet style B
18、 as specified in AA59789 when rivet mounting is used. Configuration hardware options. Card holders can have the following hardware options: no added hardware, screw self-locking element, an additional mounting hole, or a combination of both screw self-locking element and third mounting. See table I
19、for the correct PIN configuration identifier. Card holders requiring no added hardware options shall include configuration identifier “C“ in the PIN (see classification and notes section herein). Screw self-locking element (see figure 2). The use of a screw self-locking element on the screw will pro
20、vide a prevailing-torque for increased resistance to loosening of the card holder assembly from shock and vibration. The screw self-locking element shall be as specified in AA59789. Card holders requiring a screw self-locking element shall include configuration identifier “L“ in the PIN (see table I
21、, classification and notes section herein). FIGURE 2. Screw self-locking element details. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-AA59789/15A 4 Additional mounting holes (see figure 3). Card holders requiring an additional mounting hole shall
22、 include configuration identifier “E“ in the PIN (see table I). FIGURE 3. Additional mounting hole details. Screw self-locking element and additional mounting hole. Card holders requiring a screw self-locking element and additional mounting hole options shall include configuration identifier “D“ in
23、the PIN (see table I, classification and notes section herein). NOTES. PIN. The PIN should be used for Government purposes to buy commercial products to this CID specification sheet. See the classification section for PIN format example. Source of documents. Commercial Item Description AA59789 Holde
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