DLA A-A-59789 3 A-2010 HOLDER ELECTRICAL CARD WEDGE RETAINERS 5 PIECE FOR COLD PLATE APPLICATIONS 225 X 225 INCH BODY SIZE WITH TWO MOUNTING HOLES WITH SCREW ACTUATION AND RETENTIO.pdf
《DLA A-A-59789 3 A-2010 HOLDER ELECTRICAL CARD WEDGE RETAINERS 5 PIECE FOR COLD PLATE APPLICATIONS 225 X 225 INCH BODY SIZE WITH TWO MOUNTING HOLES WITH SCREW ACTUATION AND RETENTIO.pdf》由会员分享,可在线阅读,更多相关《DLA A-A-59789 3 A-2010 HOLDER ELECTRICAL CARD WEDGE RETAINERS 5 PIECE FOR COLD PLATE APPLICATIONS 225 X 225 INCH BODY SIZE WITH TWO MOUNTING HOLES WITH SCREW ACTUATION AND RETENTIO.pdf(9页珍藏版)》请在麦多课文档分享上搜索。
1、INCH-POUND AA59789/3A 21 July 2010 SUPERSEDING AA59789/3 26 March 2006 COMMERCIAL ITEM DESCRIPTION SPECIFICATION SHEET HOLDER, ELECTRICAL CARD, WEDGE RETAINERS, 5 PIECE, FOR COLD PLATE APPLICATIONS, .225 X .225 INCH BODY SIZE, WITH TWO MOUNTING HOLES, WITH SCREW ACTUATION AND RETENTION The General S
2、ervices Administration 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 NU
3、MBER (PIN). This commercial 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). AA59789 CID number /03 Applicable CID sheet * Configuration (see table I) * Finish (see table I
4、) * * Length (see table II) * Mounting (see table I) Example: AA59789/03NH60T is the PIN for a hard black anodize finished, 5.8 inch (147.3 mm) long card holder with a retained actuating screw. The card holder also feature two tapped mounting holes for use with 080 UNF 2B fasteners and a lockwasher
5、and flat washer under the screw head for added resistance to loosening. SALIENT CHARACTERISTICS. Performance. Card holders shall hold the circuit card firmly in place providing high resistance to shock and vibration while providing maximum thermal transfer. Interface and physical dimensions. The car
6、d holders supplied to this CID specification sheet shall be as specified herein and meet the general requirements specified in CID AA59789. Card holders shall have a screw retention feature to prevent unintentional disassembly of the card holder. Material. Unless otherwise specified herein, the card
7、 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 “S“, “R“, “P“, “U“, and “T“. Cold plate slot width. The recommend cold plate slot width to accommodate the circuit c
8、ard assembly with attached card holder is .250 inch (6.35 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-pounds (0.68 N-m) for assemblies of configuration “A“, “C“, “F“, or
9、 “W“ and 7.2 inch-pounds (0.81 N-m) 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-,-,-AA59789/3A 2 Configuration. The configuration of a card holder shall be as specified in tabl
10、e I. The details of a particular configuration consist of those on figures 1 and 2, and may include those on figures 3 and 4. TABLE I. Configurations. Configuration Mounting body style Finish options Mounting options Applicable figures Hardware options A A B, C, H, P S, R, T, P 1 and 2 No hardware o
11、ptions added C C B, C, E, H S, R, T, U F A B, C, H, P S, R, T, P 1, 2, and 3 Lockwasher and flat washer W C B, C, E, H S, R, T, U N A B, C, H, P S, R, T, P 1, 2, and 4 Screw self-lock element L C B, C, E, H S, R, T, U J A B, C, H, P S, R, T, P 1, 2, 3, and 4 Lockwasher, flat washer, and screw self-l
12、ock element D C B, C, E, H S, R, T, U 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), “P“ (electrodeposited nickel), or “H“ (hard black ano
13、dize). The center mounting wedge is not finished for card holders using mounting option “P“. Length, expanded and relaxed dimensions. The length designator shall be as specified in AA59789 and the lengths available for this CID specification sheet are listed in table II. The length, expanded, and re
14、laxed dimensions shall be as specified on figure 1. TABLE II. Additional assembly dimensions (see figure 1). 1/ PIN length designator Dimension “L“ .02 (0.5) Mounting body style Dimension “A“ .01 (0.3) Dimension “B“ .02 (0.5) Dimension “C“ Minimum 50 4.8 (121.9) A 1.50 (38.1) .30 (7.6) .275 (6.99) C
15、 1.50 (38.1) .30 (7.6) .275 (6.99) 55 5.3 (134.6) A 2.00 (50.8) .55 (14.0) .275 (6.99) C 1.50 (38.1) .30 (7.6) .275 (6.99) 60 5.8 (147.3) A 2.50 (63.5) .80 (20.3) .275 (6.99) C 1.50 (38.1) .30 (7.6) .275 (6.99) 65 6.3 (160.0) A 3.00 (71.2) 1.05 (26.7) .275 (6.99) C 1.50 (38.1) .30 (7.6) .275 (6.99)
16、1/ Dimensions are in inches. Millimeters are given for information only. Mounting. The mounting designators shall be as specified in AA59789. The mounting options available for this CID specification sheet are as follows: “S“ (tapped 2-56 holes), “R“ (rivet mount holes with counterbore and countersi
17、nk), “T“ (tapped 0-80 holes), “P“ (.062 x .040 index pins), or “U“ (tapped metric M2 x 0.4 holes). See figure 1 for mounting hole spacing requirements. Card holders using mounting option “P“ and “R“ may be shipped unassembled. The center mounting wedge is not finished for card holders using mounting
18、 option “P“. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-AA59789/3A 3 Rivet mounting holes. The holes used for rivet mounting shall be .066/.073 inch (1.68/1.85 mm) diameter, countersunk 100 degrees by .140 inch (3.56 mm) diameter through holes w
19、ith a counterbore of .156 inch (3.96 mm) diameter with a depth of .165 inch (4.19 mm) for style C mounting bodies and .175 inch (4.45 mm) for style A mounting bodies. Rivets. This card holder uses rivet type A as specified in AA59789 when rivet mounting is used. Inches mm Inches mm Inches mm .125 .1
20、40 3.18 3.56 .225 .235 5.72 5.97 .30 .900 7.6 22.86 NOTES: 1. Dimensions are in inches. Millimeter equivalents are given for general information only. 2. Unless otherwise specified, tolerances are .02 inch (0.51 mm) for two place decimals and .010 (0.25 mm) for three place decimals. 3. The across fl
21、ats dimension for hex drive socket shall be .094 inch (2.38 mm). 4. Tolerance for the hole spacing is .010 inch (0.25 mm) for mounting body style A and .005 inch (0.51 mm) for mounting body style C. FIGURE 1. Relaxed and expanded dimensions. Provided by IHSNot for ResaleNo reproduction or networking
22、 permitted without license from IHS-,-,-AA59789/3A 4 Screw retention locknut (see figure 2). Card holders shall have a screw retention locknut intended to prevent unintentional disassembly of the card holder. The locknut shall be fabricated of a corrosion resistant material. FIGURE 2. Screw retainin
23、g self-locking nut (corrosion resistant) details. Hardware options. Card holders can have the following options: no hardware options added, lockwasher and flat washer (see figure 3), screw self lock element (see figure 4), or lockwasher, flat washer, and screw self lock element (see figures 3 and 4)
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