DLA A A 59789 22-2011 HOLDER ELECTRICAL CARD WEDGE RETAINERS 5 PIECE FOR COLD PLATE APPLICATIONS 225 X 260 INCH BODY SIZE WITH TWO OR NO MOUNTING HOLES AND VISUAL LOCK INDICATION S.pdf
《DLA A A 59789 22-2011 HOLDER ELECTRICAL CARD WEDGE RETAINERS 5 PIECE FOR COLD PLATE APPLICATIONS 225 X 260 INCH BODY SIZE WITH TWO OR NO MOUNTING HOLES AND VISUAL LOCK INDICATION S.pdf》由会员分享,可在线阅读,更多相关《DLA A A 59789 22-2011 HOLDER ELECTRICAL CARD WEDGE RETAINERS 5 PIECE FOR COLD PLATE APPLICATIONS 225 X 260 INCH BODY SIZE WITH TWO OR NO MOUNTING HOLES AND VISUAL LOCK INDICATION S.pdf(11页珍藏版)》请在麦多课文档分享上搜索。
1、INCHPOUND AA59789/22 22 October 2011 COMMERCIAL ITEM DESCRIPTION SPECIFICATION SHEET HOLDER, ELECTRICAL CARD, WEDGE RETAINERS, 5 PIECE, FOR COLD PLATE APPLICATIONS, .225 X .260 INCH BODY SIZE, WITH TWO OR NO MOUNTING HOLES AND VISUAL LOCK INDICATION, SCREW ACTUATED The General Services Administratio
2、n has authorized the use of this commercial item description for all federal agencies. The complete requirements for procuring electrical card holders described herein shall consist of this document and the latest issue in effect of AA59789. CLASSIFICATION/PART IDENTIFICATION NUMBER (PIN). This comm
3、ercial 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 /22 Applicable CID sheet * Configuration (see table I) * Finish * * Length (see table II)
4、* Mounting (see table I) Example: AA59789/22CR65S is the PIN for a clear chemical film finished, 6.3 inch (160 mm) long card holder. The card holder also features two tapped mounting holes for use with 256 UNC 2B fasteners and a lockwasher and flat washer under the screw head for added resistance to
5、 loosening. SALIENT CHARACTERISTICS. Performance. Card holders shall hold the circuit card firmly in its installed positions and prevent loosening or movement as a result of shock and vibration. It shall also provide a thermal transfer path from the circuit card assembly to the cold plate. Interface
6、 and physical dimensions. The card holders supplied to this CID specification sheet shall be as specified herein and meet the general requirements specified in CID AA59789. The card holders shall have a visual indicator to show when the assembly is in its relaxed (unlocked) and expanded (locked) sta
7、te. Material. Unless otherwise specified herein, the card holder materials shall be as specified in AA59789. Actuating screw hex drive socket. The dimension for hex drive socket shall be .094 inch (2.38 mm) across flats for mounting options “N“, “S“, “R“, “P“, “U“, and “T“. Cold plate slot width. Th
8、e recommend cold plate slot width to accommodate the circuit card assembly with attached card holder is .300 inch (7.62 mm) plus the thickness of the printed board of the circuit card assembly (see AA59789). Installation torque. The recommended nominal installation torque is as follows: 6 inch-pound
9、s (68 N-cm) for assemblies of configuration “A“, “C“, “F“, or “W“ and 7.2 inch-pounds (81 N-cm) for assemblies of configurations “D“, “J“, “L“, or “N“. AMSC N/A FSC 5998 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-AA59789/22 2 Configuration. The
10、configuration of a card holder shall be as specified in table I. The details of a particular configuration consist of those on figures 1, 2 and 3, and may include those on figures 4 or 5. TABLE I. Configuration. Configuration Mounting body style (see figure 2) Mounting options Applicable figures Har
11、dware options A A P, S, R, T 1, 2 and 3 No hardware options added C C N, S, R, T F A P, S, R, T 1, 2, 3 and 4 Lockwasher and flat washer W C N, S, R, T N A P, S, R, T 1, 2, 3 and 5 Screw self-lock element L C N, S, R, T J A P, S, R, T 1, 2, 3, 4 and 5 Lockwasher, flat washer, and screw self-lock ele
12、ment D C N, S, R, T Inches mm Inches mm Inches mm .125 .140 3.18 3.56 .225 .270 5.72 6.86 .30 .900 7.6 22.86 FIGURE 1. Relaxed and expanded dimensions (two mounting hole version shown). Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-AA59789/22 3 NOT
13、ES: 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. Screw and alignment spring not shown. See table II and figure 2 for hole s
14、pacing requirements. 4. The across flats dimension for hex drive socket shall be .094 inch (2.38 mm). 5. Mounting body style “A“ is capable of safely expanding to .330 inch (8.38 mm) and mounting body style “C“ is capable of expanding to .325 inch (8.26 mm) minimum. 6. Maximum screw advance is .12 i
15、nch (3.0 mm) for mounting body style “A“ and .14 inch (3.6 mm) for mounting body style “C“. FIGURE 1. Relaxed and expanded dimensions Continued. Visual lock indicator (see figure 2). Card holders shall have a visual indicator to show when the card holder is in its relaxed (unlocked) state. When the
16、card holder is in the unlocked (relaxed) state, the end of the actuating screw shall display a red band on the side of the screw. When the actuating screw on the card holder has been tightened (assembly expanded) so that the assembly is in the locked position, this red band shall be concealed. FIGUR
17、E 2. Visual lock indicator. Finish. The finish designator shall be as specified in AA59789. The finishes available for this CID specification sheet are as follows: “B“ (black anodize), “C“ (gold chemical film), “E“ (electroless nickel), “H“ (hard black anodize), or “R“ (clear chemical film). Length,
18、 expanded and 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 figur
19、e 1 and 2). 1/ PIN length designator Dimension “L“ .02 (0.5) Mounting body style Dimension “A“ .01 (0.3) Dimension “B“ .02 (0.5) Dimension “M“ 2/ 50 4.8 (121.9) A 1.50 (38.1) .30 (7.6) .900 C 1.60 (40.6) .35 (8.9) .900 55 5.3 (134.6) A 2.00 (50.8) .55 (14.0) .900 C 1.60 (40.6) .35 (8.9) .900 60 5.8
20、(147.3) A 2.50 (63.5) .80 (20.3) .900 C 1.60 (40.6) .35 (8.9) .900 65 6.3 (160.0) A 3.00 (71.2) 1.05 (26.7) .900 C 1.60 (40.6) .35 (8.9) .900 1/ Dimensions are in inches. Millimeters, in parenthesis, are given for general information only. 2/ Tolerance for the hole spacing is .005 inch (0.51 mm). Pr
21、ovided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-AA59789/22 4 Mounting body style (see figure 3 and table II). Two mounting body styles are available on this CID specification sheet, style A or style C. The primary difference in the two mounting body st
22、yles are the location of mounting holes on the mounting body as depicted on figure 2. Mounting body style A always has two locations for fasteners centered on the mounting body that are .900 inch (22.86 mm) apart. Mounting body style C can have two or no holes on the mounting body. NOTES: 1. Dimensi
23、ons are in inches. Millimeters are given for general information only. 2. See table II for dimensions B, E, and M. FIGURE 3. Mounting body style details. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-AA59789/22 5 Mounting. The mounting designators
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