1、 AMSC N/A FSC 5985 MIL-DTL-39000C 8 January 2013 SUPERSEDING MIL-DTL-39000B 3 October 2003 DETAIL SPECIFICATION FLANGES, WAVEGUIDE, RIDGE, GENERAL SPECIFICATION FOR This specification is approved for use by all Departments and Agencies of the Department of Defense. 1. SCOPE 1.1 Scope. This specifica
2、tion covers the general requirements for ridge-waveguide flanges that are used to couple mechanically and electrically two sections of ridge-waveguides or ridge-waveguide units (see 6.1). 1.2 Part or identifying number (PIN). This specification requires a PIN that is as described in the appropriate
3、reference to specification sheets (see 3.1). 2. APPLICABLE DOCUMENTS 2.1 General. The documents listed in this section are specified in sections 3 and 4 of this specification. This section does not include documents cited in other sections of this specification or recommended for additional informat
4、ion or as examples. While every effort has been made to ensure the completeness of this list, document users are cautioned that they must meet all specified requirements of documents cited in sections 3 and 4 of this specification, whether or not they are listed. 2.2 Government documents. 2.2.1 Spec
5、ifications, standards, and handbooks. The following specifications, standards, and handbooks form a part of this document to the extent specified herein. Unless otherwise specified, the issues of these documents are those cited in the solicitation or contract. FEDERAL SPECIFICATIONS FF-N-836 - Nut:
6、Square, Hexagon, Cap, Slotted, Castle, Knurled, Welding and Single Ball Seat. FF-S-85 - Screw, Cap, Slotted and Hexagon Head. FF-S-86 - Screw, Cap, Socket-Head. FF-W-84 - Washers, Lock (Spring). FEDERAL STANDARDS FED-STD-H28 - Screw Thread Standards for Federal Services. INCH-POUND Comments, suggest
7、ions or questions on this document should be addressed to DLA Land and Maritime, ATTN: VAT, Post Office Box 3990, Columbus, OH 43218-3990, or emailed to Tubesampsdla.mil. Since contact information can change, you may want to verify the currency of this address information using the ASSIST Online dat
8、abase at https:/assist.dla.mil. This specification is inactive for new design after 8 May 1998. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-39000C 2 COMMERCIAL ITEM DESCRIPTIONS A-A-59588 - Rubber, Silicone. DEPARTMENT OF DEFENSE SPECIFIC
9、ATIONS MIL-DTL-39000/3 - Flanges, Waveguide, Double Ridge, Socket Mount (Bandwidth Ratio 2.4:1) DEPARTMENT OF DEFENSE STANDARDS MIL-STD-202 - Electronic and Electrical Component Parts. MIL-STD-1285 - Marking of Electrical and Electronic Parts. (Copies of these documents are available online at https
10、:/assist.dla.mil/quicksearch or from the Standardization Document Order Desk, 700 Robbins Avenue, Building 4D, Philadelphia, PA 19111-5094.) 2.3 Non-Government publications. The following documents form a part of this document to the extent specified herein. Unless otherwise specified, the issues of
11、 these documents are those cited in the solicitation or contract. AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) INTERNATIONAL ASTM-B16/B16M - Rod, Brass, Free-Cutting, Bar and Shapes for use in Screw Machines. ASTM-B21/B21M - Rod, Bar, and Shapes, Naval Brass. ASTM-B26/B26M - Aluminum-Alloy Sand
12、 Castings. ASTM-B85/B85M - Aluminum-Alloy Die Castings. ASTM-B108/B108M - Aluminum-Alloy Permanent Mold Castings. ASTM-B124/B124M - Copper and Copper Alloy Forging Rod, Bar, And Shapes. ASTM-B140/B140M - Copper- Zinc-Lead (Red Brass or Hardware Bronze) Rod, Bars, and Shapes ASTM-B143 - Tin Bronze an
13、d Leaded Tin Bronze Sand Castings. ASTM-B221 - Aluminum and Aluminum-Alloy Extruded Bars, Rods, Wire, Profiles, and Tubes (Copies are available online at http:/www.astm.org or from ASTM International, 100 Barr Harbor Drive, P.O. Box C700, West Conshohocken, PA 19428-2959.) AMERICAN SOCIETY OF MECHAN
14、ICAL ENGINEERS (ASME) INTERNATIONAL ASME-B46.1 - Surface Texture (Surface Roughness, Waviness and Lay). ASME-Y14.5.1M - Principles, Dimensioning And Tolerancing, Mathematical Definition Of. (Copies are available online at http:/www.asme.org or from ASME International, Three Park Avenue, New York, NY
15、 10016-5990.) 2.4 Order of precedence. Unless otherwise noted herein or in the contract, in the event of a conflict between the text of this document and the references cited herein (except for related specification sheets), the text of this document takes precedence. Nothing in this document, howev
16、er, supersedes applicable laws and regulations unless a specific exemption has been obtained. 3. REQUIREMENTS 3.1 Specification sheets. The individual item requirements shall be as specified herein and in accordance with the applicable specification sheets. In the event of any conflict between requi
17、rements of this specification and the specification sheet, the latter shall govern. 3.2 Material. The material shall be as specified (see 3.1). Acceptance or approval of any constituent material shall not be construed as a guaranty of the acceptance of the finished product. Provided by IHSNot for Re
18、saleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-39000C 3 3.2.1 Copper alloys. 3.2.1.1 Bar stock. When fabricated from bar stock, flanges shall be of leaded red brass, naval brass, or free-cutting brass. 3.2.1.1.1 Leaded red brass. Composition of material for leaded r
19、ed brass shall conform to the requirements for alloy B, half-hard, of ASTM-B140/B140M. 3.2.1.1.2 Naval brass. Naval brass shall be of the composition for alloy A or C, half-hard, of ASTM-B21/B21M. 3.2.1.1.3 Free-cutting brass. Free-cutting brass shall conform to the chemical composition requirements
20、 of ASTM- B16/B16M, half-hard. 3.2.1.2 Casting. When fabricated by casting, flanges shall be of tin bronze conforming to the composition for alloy 1A or 1B of ASTM-B143. 3.2.1.3 Forging. When fabricated by forging, flanges shall be of leaded brass conforming to composition for alloy 2 of ASTM-B124/B
21、124M, or naval brass conforming to composition for alloy A, half-hard, of ASTM-B21/B21M, or free-cutting brass conforming to composition of ASTM-B16/B16M, half-hard. 3.2.2 Aluminum alloys. 3.2.2.1 Bar stock and forging. When fabricated from bar stock or by forging, flanges shall be of an aluminum al
22、loy conforming to alloy 6061 of ASTM-B221. Bar stock shall be temper T6. 3.2.2.2 Sand casting. When fabricated by sand casting, flanges shall be of an aluminum alloy conforming to alloy C4A, condition T4; alloy CS43A, condition F; alloy SG70A, condition T6; or alloy ZG6LA, condition T5, of ASTM- B26
23、/B26M. 3.2.2.3 Die casting. When fabricated by die casting, flanges shall be of an aluminum alloy conforming to the composition for alloy G8A or SG100A of ASTM-B85/B85M. 3.2.2.4 Permanent mold casting. When fabricated by permanent mold casting, flanges shall be of an aluminum alloy conforming to all
24、oy ZC60A, condition T5; alloy SG70A, condition T6; or alloy SC51A, condition T6, of Publication ASTM-B108/B108M. 3.2.3 Silicone rubber. When gaskets are required for use with individual types of flanges (see 3.1), the material shall be silicone rubber conforming to A-A-59588, class 2b. 3.2.4 Pure ti
25、n. The use of pure tin, as an underplate or final finish, is prohibited both internally and externally. Tin content of flange components and solder shall not exceed 97 percent, by mass. Tin shall be alloyed with a minimum of 3 percent lead, by mass (see 6.5). 3.3 Design and construction. Waveguide f
26、langes shall be of the design, construction, and physical dimensions specified (see 3.1). Dimensions and tolerances shall be interpreted in accordance with ASME-Y14.5.1M. 3.3.1 Condition. Flanges shall be annealed before finish machining, when specified (see 6.2). 3.3.2 Threaded parts. All threaded
27、parts shall be in accordance with FED-STD-H28. 3.3.3 Cap screws. Cap screws shall be type II, style 10P, grade 8, alloy steel, cadmium plated, in accordance with FF-S-85 or type VI, alloy steel, cadmium plated, in accordance with FF-S-86, whichever is applicable (see 3.1). 3.3.4 Hexagon nuts. Hexago
28、n nuts shall be type II, style 4, carbon steel, cadmium plated in accordance with FF-N-836. 3.3.5 Lock washers. Lock washers shall be class A, style 2, cadmium plated in accordance with FF-W-84. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL
29、-39000C 4 3.4 Surface roughness. When measured as specified in 4.6.2, flange surface roughness (in root mean square microinches) shall not exceed the value specified (see 3.1). 3.5 Recycled, recovered, or environmentally preferable materials. Recycled, recovered, or environmentally preferable materi
30、als should be used to the maximum extent possible provided that the material meets or exceeds the operational and maintenance requirements, and promotes economically advantageous life cycle costs. 3.6 Marking. Waveguide flanges shall be marked in accordance with MIL-STD-1285, with the PIN and the ma
31、nufacturers source code. The numbers shall be marked in depressed or raised characters in proportion to the size of the flange and at least .031 inch high, in the place specified (see 3.1). 3.7 Workmanship. Waveguide flanges shall be produced in such a manner as to be uniform in quality and all surf
32、aces shall be free from burrs, die marks, chatter marks, scratches, dirt, grease, scale, splinters and other defects that will affect life, serviceability, or appearance. 4. VERIFICATION 4.1 Test equipment and inspection facilities. Test and measuring equipment and inspection facilities of sufficien
33、t accuracy, quality, and quantity to permit performance of the required inspection shall be established and maintained by the contractor. 4.2 Classification of inspections. The inspections specified herein are classified as follows: a. Materials inspection (see 4.3). b. Conformance inspections (see
34、4.5). 4.3 Materials inspection. Materials inspection shall consist of certification supported by verifying data that the materials listed in table I, used in fabricating the waveguide flanges, are in accordance with the applicable referenced specifications or requirements prior to such fabrication.
35、4.4 Inspection conditions. Unless otherwise specified herein, all inspections shall be performed in accordance with the test conditions specified in the “GENERAL REQUIREMENTS” of MIL-STD-202. 4.5 Conformance inspection. 4.5.1 Inspection of product for delivery. Inspection of product for delivery sha
36、ll consist of group A inspection. 4.5.1.1 Inspection lot. An inspection lot shall consist of all waveguide flanges of the same PIN produced under essentially the same conditions, and offered for inspection at one time. TABLE I. Materials inspection. Material Requirement paragraph Applicable specific
37、ation Copper alloys: 3.2.1 Bar stock: 3.2.1.1 Leaded red brass 3.2.1.1.1 ASTM-B140/B140M Naval brass 3.2.1.1.2 ASTM-B21/B21M Free-cutting brass 3.2.1.1.3 ASTM-B16/B16M Casting (tin bronze) 3.2.1.2 ASTM-B143 Forging: Leaded brass 3.2.1.3 ASTM-B124/B124M Naval brass 3.2.1.3 ASTM-B21/B21M Free-cutting
38、brass 3.2.1.3 ASTM-B16/B16M Aluminum alloys: 3.2.2 Bar stock and forging 3.2.2.1 ASTM-B221 Sand casting 3.2.2.2 ASTM-B26/B26M Die casting 3.2.2.3 ASTM-B85/B85M Permanent mold casting 3.2.2.4 ASTM-B108/B108M Silicone rubber 3.2.3 A-A-59588 Provided by IHSNot for ResaleNo reproduction or networking pe
39、rmitted without license from IHS-,-,-MIL-DTL-39000C 5 4.5.1.2 Group A inspection. Group A inspection shall consist of the inspections specified in table II, in the order shown. TABLE II. Group A inspection. Inspection Requirement paragraph Test method paragraph Visual and mechanical inspection 3.1,
40、4.6.1 3.3 thru 3.3.5, 3.5 and 3.6 Surface roughness 3.4 4.6.2 4.5.1.2.1 Sampling plan. Statistical sampling and inspection shall be performed on an inspection lot basis with a random sample of waveguide flanges selected in accordance with table III. No failures shall be allowed. TABLE III. Group A S
41、ampling Plan. Lot size Sample size 1- 13 100 percent 14- 150 13 151- 280 20 281- 500 29 501- 1,200 34 1,201- 3,200 42 3,201-10,000 50 10,001-75,000 60 4.5.1.2.2 Rejected lots. If an inspection lot is rejected, the contractor may rework it to correct the defects, or screen out the defective units, an
42、d resubmit for re-inspection. Such lots shall be separate from new lots, and shall be clearly identified as re-inspected lots. 4.6 Methods of inspection. 4.6.1 Visual and mechanical inspection. Waveguide flanges and associated components shall be examined to verify that the design, construction, phy
43、sical dimensions, marking, and workmanship are in accordance with the applicable requirements (see 3.1, 3.3 through 3.3.5, 3.6 and 3.7). 4.6.2 Surface roughness. Surface roughness shall be determined in accordance with ASME-B46.1 (see 3.4). 5. PACKAGING 5.1 Packaging. For acquisition purposes, the p
44、ackaging requirements shall be as specified in the contract or order (see 6.2). When packaging of materiel is to be performed by DoD or in-house contractor personnel, these personnel need to contact the responsible packaging activity to ascertain requisite packaging requirements. Packaging requireme
45、nts are maintained by the Inventory Control Points packaging activities within the Military Service or Defense Agency, or within the military services system commands. Packaging data retrieval is available from the managing Military Departments or Defense Agencys automated packaging files, CD-ROM pr
46、oducts, or by contacting the responsible packaging activity. 6. NOTES (This section contains information of a general or explanatory nature that may be helpful, but is not mandatory.) 6.1 Intended use. Waveguide flanges covered by this specification are intended for use as coupling devices for waveg
47、uides and waveguide components used in military electronic equipment and systems. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-39000C 6 6.2 Acquisition requirements. Acquisition documents must specify the following: a. Title, number, and d
48、ate of this specification. b. The specific issue of individual documents referenced (see 2.2). c. Whether flanges are to be annealed before finish machining (see 3.3.1). d. Packaging requirements (see 5.1). 6.3 Environmentally preferable material. Environmentally preferable materials should be used
49、to the maximum extent possible to meet the requirements of this specification. As of the dating of this document, the U.S. Environmental Protection Agency (EPA) is focusing efforts on reducing 31 priority chemicals. The list of chemicals and additional information is available on their website at http:/www.epa.gov/osw/hazard/wastemin/priority.htm. Included in the list of 31 priority chemicals
