DLA A-A-59590 19 B-2012 HOLDER ELECTRICAL CARD WEDGE RETAINERS 3 PIECE SCREW ACTUATED DRIVE 260 X 260 INCH BODY SIZE WITH SCREW RETENTION.pdf
《DLA A-A-59590 19 B-2012 HOLDER ELECTRICAL CARD WEDGE RETAINERS 3 PIECE SCREW ACTUATED DRIVE 260 X 260 INCH BODY SIZE WITH SCREW RETENTION.pdf》由会员分享,可在线阅读,更多相关《DLA A-A-59590 19 B-2012 HOLDER ELECTRICAL CARD WEDGE RETAINERS 3 PIECE SCREW ACTUATED DRIVE 260 X 260 INCH BODY SIZE WITH SCREW RETENTION.pdf(10页珍藏版)》请在麦多课文档分享上搜索。
1、INCHPOUND AA59590/19B 19 May 2012 SUPERSEDING AA59590/19A 7 July 2007 COMMERCIAL ITEM DESCRIPTION SPECIFICATION SHEET HOLDER, ELECTRICAL CARD, WEDGE RETAINERS, 3 PIECE, SCREW ACTUATED DRIVE, .260 X .260 INCH BODY SIZE, WITH SCREW RETENTION The General Services Administration has authorized the use o
2、f 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 AA59590. CLASSIFICATION/PART IDENTIFICATION NUMBER (PIN). This commercial item description (C
3、ID) specification sheet uses a classification system which is included in the Part Identification Number (PIN) as shown in the following example (see notes herein). AA59590 CID number /19 Applicable CID specification sheet * Finish * Mounting * * Length (see table I) * Configuration Example: AA59590
4、/19EV28D is the PIN for a nickel plated, 2.8 inches (71 mm) long card holder with a flat washer, lockwasher, and screw self-locking element. The card holder also features two tapped mounting holes for use with 2-56 UNC 2A fasteners. SALIENT CHARACTERISTICS. Performance. Card holders shall hold the c
5、ircuit card assembly firmly in its installed position and provide high resistance to loosening due to shock and vibration. Card holders shall also provide maximum thermal transfer from the circuit card assembly to the cold plate or heat sink surfaces. The screw retention feature is intended to preve
6、nt unintentional disassembly of the card holder. Interface and physical dimensions. The card holders supplied to this CID specification sheet shall be as specified herein (see figures 1, 2, 3, 4, and table I) and meet the general requirements of CID AA59590. Material. Unless otherwise specified here
7、in, the card holder materials shall be as specified in AA59590. Actuating screw hex drive socket. The dimension for hex drive socket shall be .109 inch (2.78 mm) for mounting options “J“, “N“, “T“ and “V“. The dimension for hex drive socket shall be a metric dimension of 2.5 mm (.098 inch) across fl
8、ats for mounting option “G“. Cold plate dimensions. 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 AA59590). AMSC N/A FSC 5998Provided by IHSNot for Re
9、saleNo reproduction or networking permitted without license from IHS-,-,-AA59590/19B 2 Inches mm Inches mm Inches mm Inches mm Inches mm .07 .13 1.8 3.3 .23 .25 5.8 6.4 .260 .270 6.6 6.86 .30 .325 7.62 8.26 .70 17.8 NOTES: 1. Dimensions are in inches. Millimeters are given for general information on
10、ly. 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 tolerance for the mounting hole spacing is .005 inches (0.13 mm). 4. The across flats dimension for hex drive socket shall be .109 inch (2.78 mm) for m
11、ounting options “J“, “N“, “T“, and “V“. The across flats dimension for hex drive socket shall be a metric dimension of 2.5 mm (.098 inch) across flats for mounting option “G“. FIGURE 1. Relaxed and expanded dimensions, basic configuration. Provided by IHSNot for ResaleNo reproduction or networking p
12、ermitted without license from IHS-,-,-AA59590/19B 3 Nominal installation torque. When card holders are used in cold plate applications, the nominal installation torque of each card holder shall be as follows: 10 inch-pounds (1.1 N-m) for assemblies using no options or option “W“ and 12 inch-pounds (
13、1.4 N-m) for assemblies using options “D“ or “E“. 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 retaining s
14、elf-locking nut details. Finish. The finish designator shall be as specified in AA59590. The wedge body 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).
15、 Mounting. The mounting designators shall be as specified in AA59590. Except when using mounting option “N“, two mounting holes are required on the card holders. The mounting options available for this CID specification sheet are as follows: “J“ (rivet mounting holes), “N“ (no mounting holes), “T“ (
16、tapped 0-80 UNF 2B holes), “V“ (tapped 2-56 UNC 2B holes), or “G“ (tapped M2.5 x.45 metric holes). See figure 1 and table I for mounting hole spacing requirements. Card holders using mounting option “J“ may be shipped unassembled. Counterbore holes (for rivet mounting). The holes used for rivet moun
17、ting shall be .068/.073 inch (1.73/1.85 mm) diameter, countersunk 100 degrees by .140 inch (3.56 mm) diameter through holes with an access/clearance counterbore of .156 inch (3.96 mm) diameter by .200 inch (5.08 mm) deep. Rivets. This card holder uses rivet type A as specified in AA59590 when rivet
18、mounting is used. Length, expanded, and relaxed dimensions. The length designator shall be as specified in AA59590 and the lengths available for this CID specification sheet are listed in table I. The length, expanded, and relaxed dimensions shall be as specified on figure 1. Provided by IHSNot for
19、ResaleNo reproduction or networking permitted without license from IHS-,-,-AA59590/19B 4 TABLE I. Assembly dimensions (see figure 1). 1/ PIN length designator Dimension “LENGTH“ .02 (0.5 mm) Dimension “B“ .03 (0.8 mm) Dimension “M“ .005 (0.13 mm) 28 2.8 (71 mm) 2.30 (58.4 mm) .90 (22.9 mm) 33 3.3 (8
20、4 mm) 2.80 (71.1 mm) 1.40 (35.6 mm) 38 3.8 (97 mm) 3.30 (83.8 mm) 1.90 (48.3 mm) 43 4.3 (109 mm) 3.80 (96.5 mm) 2.40 (61.0 mm) 48 4.8 (122 mm) 4.30 (109.2 mm) 2.90 (73.7 mm) 53 5.3 (135 mm) 4.80 (121.9 mm) 3.40 (86.4 mm) 58 5.8 (147 mm) 5.30 (134.6 mm) 3.90 (99.1 mm) 1/ Dimensions are in inches. Mil
21、limeters, in parenthesis, are given for general information only. Configuration. The configuration of a card holder shall be as specified in table II. The details of a particular configuration consist of those on figures 1 and 2, and may include those on figures 3 and 4. The correct PIN configuratio
22、n identifier for each option is listed in table II. Card holders not requiring the options described by table II shall leave the configuration position in the PIN blank. TABLE II. Configuration. Configuration Applicable figures Hardware added to basic configuration 1 and 2 No changes from basic conf
23、iguration W 1, 2, and 3 Lockwasher and flat washer E 1, 2, and 4 Screw self-locking element D 1, 2, 3, and 4 Lockwasher, flat washer, and screw self-locking element Lockwasher and flat washer (see figure 3). The use of a lockwasher and flat washer located under the screw head will provide for additi
24、onal resistance to loosening of the card holder assembly from shock and vibration. Card holders requiring a lockwasher and flat washer shall include a suffix “W“ in the PIN (see classification and notes). FIGURE 3. Lockwasher and flat washer details. Provided by IHSNot for ResaleNo reproduction or n
- 1.请仔细阅读文档,确保文档完整性,对于不预览、不比对内容而直接下载带来的问题本站不予受理。
- 2.下载的文档,不会出现我们的网址水印。
- 3、该文档所得收入(下载+内容+预览)归上传者、原创作者;如果您是本文档原作者,请点此认领!既往收益都归您。
下载文档到电脑,查找使用更方便
10000 积分 0人已下载
下载 | 加入VIP,交流精品资源 |
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- DLAAA5959019B2012HOLDERELECTRICALCARDWEDGERETAINERS3PIECESCREWACTUATEDDRIVE260X260INCHBODYSIZEWITHSCREWRETENTIONPDF

链接地址:http://www.mydoc123.com/p-687570.html