DLA A-A-59789 2 A-2010 HOLDER ELECTRICAL CARD WEDGE RETAINERS 5 PIECE FOR COLD PLATE APPLICATIONS 225 X 260 INCH BODY SIZE WITH TWO MOUNTING HOLES AND VISUAL LOCK INDICATION WITH S.pdf
《DLA A-A-59789 2 A-2010 HOLDER ELECTRICAL CARD WEDGE RETAINERS 5 PIECE FOR COLD PLATE APPLICATIONS 225 X 260 INCH BODY SIZE WITH TWO MOUNTING HOLES AND VISUAL LOCK INDICATION WITH S.pdf》由会员分享,可在线阅读,更多相关《DLA A-A-59789 2 A-2010 HOLDER ELECTRICAL CARD WEDGE RETAINERS 5 PIECE FOR COLD PLATE APPLICATIONS 225 X 260 INCH BODY SIZE WITH TWO MOUNTING HOLES AND VISUAL LOCK INDICATION WITH S.pdf(9页珍藏版)》请在麦多课文档分享上搜索。
1、INCHPOUND AA59789/2A 27 April 2010 SUPERSEDING AA59789/2 26 March 2006 COMMERCIAL ITEM DESCRIPTION SPECIFICATION SHEET HOLDER, ELECTRICAL CARD, WEDGE RETAINERS, 5 PIECE, FOR COLD PLATE APPLICATIONS, .225 X .260 INCH BODY SIZE, WITH TWO MOUNTING HOLES AND VISUAL LOCK INDICATION, WITH SCREW ACTUATION
2、AND RETENTION The General Services 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. CLASSIFICA
3、TION/PART IDENTIFICATION NUMBER (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 herein). AA59789 CID number /02 Applicable CID sheet * Configuration (
4、see table I) * Finish (see table I) * * Length (see table II) * Mounting (see table I) Example: AA59789/02WB55R is the PIN for a black anodize finished, 5.3 inch (134.6 mm) long card holder with visual lock indication and a retained actuating screw. The card holder also features two mounting holes f
5、or rivet fastening. 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 card holders supplied to this CID specification sheet s
6、hall be as specified herein and meet the general requirements specified in CID AA59789. Card holders shall have a visual indicator to show when the assembly is in its relaxed (unlocked) and expanded (locked) state. Card holders shall also have a screw retention feature to prevent unintentional disas
7、sembly of the card holder. 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 “S“, “R“, “P“, “U“, and “T“. Cold pl
8、ate slot width. The recommended slot width for cold plates used with this card holder is .300 inch (7.62 mm) plus the thickness of the circuit card assembly printed board (see AA59789). Installation torque. The recommended nominal installation torque is as follows: 6 inch-pounds (0.68 N-m) for assem
9、blies of configuration “A“, “C“, “F“, or “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-,-,-AA59789/2A 2 Configuration. The configuration of a ca
10、rd 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 and 5. TABLE I. Configurations. Configuration Mounting body style Finish options Mounting options Applicable figures Hardware options A A
11、B, C, P, H S, R, T, P 1, 2, and 3 No hardware options added C C B, C, E, H S, R, T, U F A B, C, P, H S, R, T, P 1, 2, 3, and 4 Lockwasher and flat washer W C B, C, E, H S, R, T, U N A B, C, P, H S, R, T, P 1, 2, 3, and 5 Screw self-lock element L C B, C, E, H S, R, T, U J A B, C, P, H S, R, T, P 1,
12、2, 3, 4, and 5 Lockwasher, flat washer, and screw self-lock 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
13、), “P“ (electrodeposited nickel), or “H“ (hard black anodize). 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 relaxed dimensions shall be as
14、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) .330 (8.38) C 1.60 (40.6) .35 (8.9) .325 (
15、8.26) 55 5.3 (134.6) A 2.00 (50.8) .55 (14.0) .330 (8.38) C 1.60 (40.6) .35 (8.9) .325 (8.26) 60 5.8 (147.3) A 2.50 (63.5) .80 (20.3) .330 (8.38) C 1.60 (40.6) .35 (8.9) .325 (8.26) 65 6.3 (160.0) A 3.00 (71.2) 1.05 (26.7) .330 (8.38) C 1.60 (40.6) .35 (8.9) .325 (8.26) 1/ Dimensions are in inches.
16、Millimeters are given for general information only. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-AA59789/2A 3 Inches mm Inches mm Inches mm Inches mm .165 .225 4.19 5.72 .270 .30 6.86 7.6 .31 .33 7.9 8.4 .50 .900 12.7 22.86 NOTES 1. Dimensions are
17、 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 inch (0.25 mm) for three place decimals. 3. The across flats dimension for hex drive socket shall be .094 inch (2.38 mm). 4. Tol
18、erance 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. Screw retention locknut (see figure 2). Card holders shall have a screw retention locknut intended to prevent unintentional disas
19、sembly of the card holder. The locknut shall be fabricated of a corrosion resistant material. FIGURE 2. Screw retaining self-locking nut (corrosion resistant) details. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-AA59789/2A 4 Visual lock indicator
20、 (see figure 3). Card holders shall have a visual indicator to show when the card holder is in its relaxed (unlocked) state. When the 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
21、 holder has been tightened (assembly expanded) so that the assembly is in the locked position, this red band shall be concealed. FIGURE 3. Visual lock indicator. Mounting. The mounting designators shall be as specified in AA59789. The mounting options available for this CID specification sheet are a
22、s follows: “S“ (tapped 256 holes), “R“ (rivet mount holes with counterbore and countersink), “T“ (tapped 080 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
23、 unassembled. Rivet mount 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 with a counterbore of .156 inch (3.96 mm) diameter by .200 inch (5.08 mm) deep. Rivets. This card holder uses rive
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