DLA MIL-W-3970 23 A-2009 WAVEGUIDE ASSEMBLIES RIGID CAST 90-DEGREE E-PLANE BEND MITER AND RADIUS-BACK MITER FULL CORRAL.pdf

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1、AMSC N/A FSC 5985 MIL-W-3970/23A 3 February 2009 SUPERSEDING MIL-W-3970/23 30 August 1978 DETAIL SPECIFICATION SHEET WAVEGUIDE ASSEMBLIES, RIGID, CAST, 90-DEGREE E-PLANE BEND, MITER AND RADIUS-BACK MITER, FULL CORRAL This specification is approved for use by all Depart- ments and Agencies of the Dep

2、artment of Defense. The requirements for acquiring the waveguide assemblies described herein shall consist of this document and the latest issue of MIL-DTL-3970. inches mm Letter Dimension are in inches for Figure 1 .003 .08 A 1.872 .005 .005 .13 B .872 .005 .010 .25 C 2.04 +.005 -.000 .02 .5 D 1.00

3、4 +.005 -.000 .03 .8 E 2.18 .03 .08 2.0 F 1.18 .03 .30 7.6 H .593 .010 .593 15.06 J .30 .02 .872 22.15 K .08 .02 1.004 25.50 1.18 30.0 1.872 47.55 2.004 50.90 2.18 55.4 NOTES: 1. Dimensions are in inches. 2. Metric equivalents are given for general information only and are determined from 1.00 inch

4、= 25.4 mm. 3. Dimensions are in accordance with ASME Y14.5M. FIGURE 1. Dimensions for radius-back miter configuration, for dash numbers 001 and 002. INCH-POUND Inactive for new design after 18 September 1998. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from I

5、HS-,-,-MIL-W-3970/23A 2 Inches mm Inches mm Inches mm .003 .08 .06 1.5 .502 12.75 .005 .13 .10 2.5 .63 16.0 .030 .76 .20 5.1 .900 22.9 .03 .8 .325 8.26 1.002 25.45 .05 1.3 .400 10.16 1.13 28.7 NOTES: 1. Dimensions are in inches. 2. Metric equivalents are given for general information only and are ba

6、sed on 1.00 inch = 25.4 mm. FIGURE 2. Dimensions for miter configuration, for dash number 003. Letter Dimensions are in inches figure 2 A 1.002 + .005 - .000 B .400 .003 C 1.13 .03 D .502 +.003 - .000 E .900 .003 F .63 .03 H .10 .06 J .05 -.03 +.00 K .20 .03 L .325 .003 Provided by IHSNot for Resale

7、No reproduction or networking permitted without license from IHS-,-,-TABLE 1. Dash numbers and electrical and physical characteristics. 1/ Assemblies shall have the same power handling capabilities as their mating waveguides. Dash no. Frequency range TE10 mode GHzVSWR max Peak power kW max Average p

8、ower kW max Operating temperature range Pressur- ization lbf/in2 gage Figure Material Mating waveguide M85/ 001 4.0 - 5.9 1.05 1/ 1/ 0 to +60C 20 1 Aluminum alloy, D712.0, temper F, in accordance with ASTM-B26/B26M or C712.1 in accordance with ASTM-B179 1-053 1-054 1-174 002 4.0 - 5.9 1.05 1/ 1/ 0 t

9、o +60C 20 1 Beryllium copper, alloy 1-051 1-055 003 8.2 - 12.4 1.05 250 10 -55 to +200C 45 2 Aluminum alloy, D712.0, temper F, in accordance with ASTM-B26/B26M or C712.1 in accordance with ASTM-B179 1-077 1-078 1-178 3 MIL-W-3970/23A Provided by IHSNot for ResaleNo reproduction or networking permitt

10、ed without license from IHS-,-,-MIL-W-3970/23A 4 REQUIREMENTS: Physical characteristics. Dimensions and configuration: See figures 1 and 2. Operating temperature range: See table I. Material: See table I. Surfaces (sandblasting after machining permissible): Internal: 63microinches in accordance with

11、 ASME - B46.1. External: 125microinches in accordance with ASME - B46.1. Fungus resistance: Materials nutrient to fungus shall not be used. Pressurization: See table I. Penetrant inspection. No indication of any cracks at any location when tested in accordance with ASTM-E1417, type I, method B. Elec

12、trical characteristics: Frequency range: See table I. VSWR: See table I. Power Peak - See table I. Average - See table I. Part number: M3970/23- (dash number from table I). Referenced documents. In addition to MIL-DTL-3970, this specification sheet references ASTM-B26/B26M, ASTM-B179, ASME-B46.1, AS

13、ME Y14.5M, and ASTM-E1417. Marginal notations are not used on this revision to identify changes with respect to the previous issue due to the extent of the changes. Custodians: Preparing activity: Army - CR DLA - CC Navy - EC Air Force - 85 (Project 5985-2009-010) DLA - CC Review activities Army - M

14、I Navy - AS, CG, MC, OS Air Force - 19 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 http:/assist.daps.dla.mil/ Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-