1、INCH-POUND MIL-DTL-24251/4D 11 July 2013 SUPERSEDING MIL-DTL-24251/4C 15 February 2008 DETAIL SPECIFICATION SHEET RETAINER (BASE), AND ADAPTER, ELECTRON TUBE, HEAT DISSIPATING, 7 AND 9 PIN, MINIATURE The requirements for acquiring the product described herein shall consist of this specification shee
2、t and MIL-DTL-24251. This specification is approved for use by all Departments and Agencies of the Department of Defense. NOTES: 1. All dimensions are in inches. 2. Millimeters are in parentheses. 3. Metric equivalents (to the nearest 0.01 mm) are given for general information only and are based upo
3、n 1 inch = 25.4 mm. 4. Unless otherwise specified, tolerance is 2 places .010 (0.25 mm); 3 places .005 (0.13 mm). 5. Lugs: Dash 1 has 3 lugs, equally spaced. Dash 2 has 4 lugs, equally spaced. 6. MIL-DTL-24251/4 (retainer (base) and adapter) was formerly MS24231 (USAF), 29 Jan 1958. FIGURE 1. Dimens
4、ions and configuration. AMSC N/A FSC 5960 .Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-TABLE 1. Characteristics. Dash no. Mounting A max B C .010 (0.25) D E .010 (0.25) Weight grams max Tube socket (ref) Shield (ref) 1 Retainer1/ 1.140 (28.96) .4
5、27 .010 (10.85 0.25) .875 (22.23) .790 .010 (20.07 0.25) .879 (22.33) 7.5 MIL-DTL-12883/10 M24251/3-1 through -3 and M24251/5-1 through -3 2 Retainer1/ 1.390 (35.31) .427 .010 (10.85 0.25) 1.125 (28.58) .905 .010 (22.99 0.25) 1.000 (25.40) 8.0 MIL-DTL-12883/11 M24251/3-4 through -7 and M24251/5-4 th
6、rough -6 3 Retainer2/ 1.140 (28.96) .085 .005 (2.16 0.13) .875 (22.23) .656 .031 (16.66 0.79) 1.5 MIL-DTL-12883/2 M24251/3-1 through -3 and M24251/5-1 through -3 4 Retainer2/ 1.390 (35.31) .075 .005 (1.91 0.13) 1.125 (28.58) .750 .031 (19.05 0.31) 3.0 MIL-DTL-12883/3 M24251/3-4 through -7 and M24251
7、/5-4 through -6 1/ Where it is desired to use retainer -1 or -2 with electron tube socket MIL-DTL-12883/2 or MIL-DTL-12883/3, it is necessary to replace the shield base on the above sockets with the applicable adapter. 2/ Not recommended for new design. MIL-DTL-24251/4D2Provided by IHSNot for Resale
8、No reproduction or networking permitted without license from IHS-,-,-MIL-DTL-24251/4D 3 REQUIREMENTS: The retainer (base), adapter, and other parts, as shown in figure 1, shall be designed to meet the requirements of MIL-DTL-24251, and to fit the shield and tube socket specified in table I. Dimensio
9、ns and configuration: See figure 1 and table I. Retainer (base): Material-Brass, sheet, .032 inch (0.81 mm) thick, ASTM-B36/36M and ASTM-B121/B121M, composition 2, annealed or aluminum alloy ASTM-B85/B85M, ASTM-B26/B26M, ASTM-B108/B108M; and SAE-J452, SAE-AMS4290 and SAE-AMS4291. Finish-Black cadmiu
10、m plate, SAE-AMS-QQ-P-416, class 1, type II, optional finish: Henderlube or equal, chromate MIL-DTL-5541. Adapter: Material-Brass, sheet, .015 inch (0.38 mm) thick on -3 and .025 inch (0.64 mm) thick on -4, ASTM-B36/B36M and ASTM-B121/B121M, composition 2, annealed. Finish-Black cadmium plate, SAE-A
11、MS-QQ-P-416, class 3, type II, optional finish, Henderlube or equal. The Part or Identifying Number (PIN) consists of the basic number of this specification sheet, preceded by the letter “M“, and a dash number taken from table I. Example: M24251/4-1 Basic document Dash number number from table Provi
12、ded by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-24251/4D 4 Referenced Documents: In addition to MIL-DTL-24251, this document references the following : MIL-DTL-5541 MIL-DTL-12883/2 MIL-DTL-12883/3 MIL-DTL-12883/10 MIL-DTL-12883/11 ASTM-B26/B26M AS
13、TM-B36/B36M ASTM-B85/B85M ASTM-B108/B108M ASTMB121/B121M SAE-AMS4290 SAE-AMS4291 SAE-AMS-QQ-P-416 SAE-J452 The margins of this specification are marked with vertical lines to indicate where changes from the previous issue were made. This was done as a convenience only and the Government assumes no l
14、iability whatsoever for any inaccuracies in these notations. Bidders and contractors are cautioned to evaluate the requirements of this document based on the entire content irrespective of the marginal notations and relationship to the last previous issue. Custodians: Preparing activity: Army - CR D
15、LA - CC Navy - EC Air Force - 85 (Project 5960-2013-018) DLA - CC Review activities: Army - MI Navy - CG, MC Air Force - 19, 99 NOTE: The activities listed above were interested in this document as of the date of this document. Since organizations and responsibilities can change, you should verify the currency of the information above using the ASSIST Online database at https:/assist.dla.mil/. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
