1、IINCH-POUNDI MIL-C-22249B(SH) 29 September 1989 SUPERSEDING 19 April 1968 (See 6.8) MIL-C-22249A(SHIPS) MILITARY SPECIFICATION CONNECTOR SETS, ELECTRICAL, HERMETICALLY SEALED, SUBMARINE GENERAL SPECIFICATION FOR This specification is approved for use by the Naval Sea Systems Command, Department of t
2、he Navy, and is available for use by all Departments and Agencies of the Department of Defense. 1. SCOPE 1.1 Scope. This specification.covers requirements for electrical con- nector sets for fleet ballistic missile submarine applications. This speci- fication also covers accessories for the connecto
3、rs. 2. APPLICABLE DOCUMENTS 2.1 Government documents. 2.1.1 specifications. standards, and handbooks. The following speci- fications, standards, and handbooks, form a part of this document to the extent specified herein. Unless otherwise specified, the issues of these documents are those listed in t
4、he issue of the Department of Defense Index of Specifications and Standards (DoDISS) and supplement thereto, cited in the solicitation (see 6.2). SPECIFICATIONS FEDERAL L-P-390 - Plastic, Molding and Extrusion Material, Poly- ethylene and Copolymers (Low, Medium, and High Dens i ty ) . IBeneficial c
5、omments (recommendations, additions, deletions) and any pertinent data which may be of use in improving this document should be addressed to: Commander, Naval Sea Systems Command, SEA 5523, Department of the Navy, Washington, DC 20362-5101 by using the self-addressed Standardization Document Improve
6、ment Proposal (DD Form 1426) appearing at the end of this document or by letter. , AMSC N/A FSC 5935 DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited. THIS DOCUMENT CONTAINS d/ PAGES. Provided by IHSNot for ResaleNo reproduction or networking permitted without license
7、 from IHS-,-,-MILITARY MIL-P-116 MIL-S - 901 MS3190 MIL-S-8660 MIL-E-17555 MIL-“24041 MIL-P-25732 MS28775 MIL-C-39029 MIL-C-39029/56 MIL-G-45204 Preservation, Methods of Shock Tests, HI (High-Impact); Shipboard Machinery, Equipment and Systems, Requirements for. Contact Wire Barrel, Crimp Type. Sili
8、cone Compound, NATO Code Number S-736 Electronic and Electrical Equipment, Acces- sories, and Provisioned Items (Repair . Parts): Packaging of, Molding and Potting Compound, Chemically Cured, Polyurethane. Packing, Preformed, Petroleum Hydraulic Fluid Resistant Limited Service at 275F (135OC). Packi
9、ng Preformed, Hydraulic, +275OF (O-ring) . Contacts, Electrical Connector, General Specification for. Contacts, Electrical Connector, Socket, Crimp Removable, (for MIL-C-38999 Series I, III, and IV Connectors). Gold Plating, Electrodeposited. 3 (See Supplement 1 for list STANDARDS FEDERAL FED-STD-H2
10、8 FED-STD-H28/2 - MILITARY MIL-STD-129 MIL-STD-167-1 - MIL-STD-454 - MIL-STD-1344 - of applicable specification sheets.) Screw-Thread Standards for Federal Services, Screw-Thread Standards for Federal Services Section 2 Unified Inch Screw Threads - UN and UNR Thread Forms. Marking for Shipment and S
11、torage. Mechanical Vibrations of Shipboard Equipment (Type I - Environmental and Type 11 - Internally Excited) Equipment. Standard General Requirements for Electronic Test Methods for Electrical Connectors. (Unless otherwise indicated, copies of federaland military speci- fications, standards, and h
12、andbooks are available from the Naval Publications and Forms,Center, (ATTN: NPODS), 5801 Tabor Avenue, Philadelphia, PA 19120- 5099 I ) 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-22247B 59 9999906 0378338 T W 2.2 Non-Government publicati
13、ons. The following documents form a part of this document to the extent specified herein. Unless otherwise specified, the issues of the documents which are DoD adopted are those listed in the issue of the DoDISS cited in the solicitation. Unless otherwise specified, the issues of documents not liste
14、d in the DoDISS are the issues of the documents cited in the solicitation (see 6.2). AMERICAN NATIONAL STANDARDS INSTITUTE, INC. (ANSI) ANSI B 46.1 - Surface Texture (Surface Roughness, Waviness, and Lay). (DoD adopted) (Application for copies should be addressed to the American National Standards I
15、nstitute, Inc., 1430 Broadway, New York, NY 10018.) UNIFORM CLASSIFICATION COMMITTEE AGENT Uniform Freight Classification Ratings, Rules, and Regulations. (Application for copies should be addressed to the Uniform Classification Committee Agent, Tariff Publication Officer, Room 1106, 222 South River
16、side Plaza, Chicago, IL 60606.) (Non-Government standards and other publications are normally available from the organizations that prepare or distribute the documents. These documents also may be available .in or through libraries or other informational services. ) 2.3 Order of Drecedence. In the e
17、vent of a conflict between the text of this document and the references cited herein (except for specification sheets), the text of this document takes precedence. Nothing in this docu- ment, however, supersedes applicable laws and reguaations unless a specific exemption has been obtained. 3. REQUIR
18、EMENTS 3.1 Specification sheets. The individual item requirements shall be as specified herein and in accordance with the applicable specification sheet. In the event of any conflict between the requirements of this specification and the specification sheet, the latter shall govern. 3.2 First articl
19、e. When specified (see 6.2), a sample shall be sub- jected to first article inspection (see 6.4) in accordance with 4.3. 3.3 Materials. Materials shall be as specified (see 3.1). When not specified, the contractor may select any material that will perform the intended function in the equipment and w
20、ill otherwise comply with the requirements of this specification. Sufficient material identifications and controls shall be exercised by the manufacturer to assure that the final product conforms to this specification. 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without li
21、cense from IHS-,-,-MIL-C-222Y78 57 W 9777706 0378337 L 3.3.1 Pin and socket contacts, Pin contacts shall be fabricated from molybdenum or nickel clad molybdenum. Socket contacts shall be fabricated from a material which shall pass the electrical and physical tests specified herein. Contact surfaces
22、shall be smooth, and shall be plated with a minimum 0.0002-inch thick hard gold finish over a minimum 0,00005 inch of copper in accordance with MIL-G-45204. Hard gold shall be considered gold alloy, 23 karat or greater, having a minimum Knoop hardness of 110. The molybdenum pins shall have a nickel
23、underplate, 3.3.2 Pin contact insulation, Pin contact insulation shall be fabri- cated from a compression glass-seal material which shall pass the electrical tests specified in 4.7.1 and 4.7.2. This material shall provide a watertight ; seal which shall pass the physical tests specified herein. 3.3.
24、3 O-rings. O-rings shall be in accordance with MIL-P-25732, Sizes shall be in accordance with MS28775 and shall be as specified in the applic- able specification sheet. O-rings shall be lubricated with a light film of silicone compound in accordance with MIL-S-8660 at the time of assembly. 3.3.4 Cov
25、ers (caFs1. Watertight and protective covers shall be of the material specified (see 3.1). Where covers are not specified, red plastic end caps in accordance with type I of L-P-390 shall be installed to prevent damage to threads or entrance of water or dust, 3.3.5 Prohibited materials. Asbestos, cad
26、mium and mercury (see 3.3.5.1) shall not be used in construction of pressure proof fittings covered by this specification, 3.3.5.1 Mercury, Mercury in any form shall not be used in manufacturing and test processes (including test equipment such as mercury thermometers) applying to the basic pressure
27、 proof fitting, but may be used in manufacturing and test processes for materials and parts, provided it is used in such a way that contamination of the materials and parts themselves cannot result. 3.3.6 Recovered materials, Unless otherwise specified herein, all equipment, material and articles in
28、corporated in the products covered by this specification shall be new and may be fabricated using materials produced from recovered materials to the maximum extent practicable without jeopardizing the intended use. The term “recovered materials“ means materials which have been collected or recovered
29、 from solid waste and reprocessed to become a source of raw materials, as opposed to virgin raw materials. None of the above shall be interpreted to mean that the use of used or rebuilt products is allowed under this specification unless otherwise specifically specified, 3.4 Construction. The constr
30、uction and physical dimensions shall be as specified herein and on the applicable specification sheet. 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-22297B 57 m 7777706 0178390 B m 3.4.1 Contacts. Contacts shall be such that neither the pin
31、s nor the sockets will be damaged during mating of counterpart plugs and headers. Contact arrangements and spacing shall be as specified (see 3.1). 3.4.1.1 Pin engaging end. The entering end of the pins shall be machined with tapers and radii as detailed in the applicable specification sheet. 3.4.1.
32、2 Socket engaging end. The entering end of the socket contact shall be rounded or chamfered to allow for directing and centering of the entering pin. The socket contact shall provide the spring action for maintaining the contacting pressure between the pin and the socket. 3.4.1.3 CrimD tpe socket co
33、ntacts. The barrels of the crimp type socket contacts shall be in accordance with type C of MS3190, or . MIL-C-39029/56. 3.4.1.4 Solder tme socket contacts, Solder type contact dimensions shall be as shown on figure 1 and the applicable specification sheets. Solder caps shall be aligned to facilitat
34、e soldering. Soldering shall be in accord- ance with requirement 5 of MIL-STD-454. 3.4.1.5 Conductor-contact seals. Conductors or contacts shall be provided with a gasket to allow proper sealing of the contacts or conductors to the plug insert (see 3.1). 3.4.1.6 Taper Din tme socket contacts, Taper
35、pin type socket contact terminations shall be as shown on figure 2 and the applicable specification sheet. 3.4.2 Plug assembly. A plug assembly shall consist of a plug body, cover plate, coupling nut, insert assembly, protective covers, insert retaining, coupling nut retaining ring, thrust washer, O
36、-ring and required screws and nuts to fasten component parts. Plugs with molded boot cable seals shall have a plug sleeve and a sleeve retainer clip, or a cable grip and conductor clamp as specified on the applicable specification sheet. Plugs with cable grommets shall have a stuffing tube, grommet,
37、 ferrule, end bell, and cable clamps. 3.4.2.1 PluE-header Dolarization. Polarization of the plug with its header assembly shall be accomplished by the use of two integral keys and two keyways (see 3.1). 3.4.2.2 Plug inserts. Plug inserts shall have the proper sections and radii as specified in the a
38、pplicable specification sheets, Front and rear plug inserts shall have fastening devices installed to allow insertion of the completely assembled and wired insert assembly into the plug body. Contacts shall be properly identified on both sides of the insert assembly as specified (see 3.1). 5 Provide
39、d by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-3.4.3 Header assembly. A header assembly shall consist of a header body, header insert, jam nut, polarizing bushing, O-rings, backup rings, and protec- tive covers (see 3.1). 3.4.3.1 Pin contact insulation and
40、 seal. The surface of the glass insulation for the pin contacts shall be recessed not more than 0.070 inch below the missile face of the insert, and 0,090 inch below the compartment face of the insert, at any point; and it shall be raised not more than 0.016 inch above the face of the insert at any
41、point, Those header assemblies not having removable inserts shall comply with these requirements on the missile face only, The pin contact insulation surface shall be smooth, have a glazed surface finish and a uniform surface free from porosity. There shall be no cracks, pits, voids, or inclusion of
42、 foreign material (as viewed with 1OX magnification and an adequate light source), For the purpose of this requirement, the word shall be understood to mean an open fault line in the surface of the glass exhibiting depth as opposed to a crazed condition limited to the surface and exhibiting no depth
43、, or a completely sealed condition. 3.4.3.2 Pin contact identification, A sufficient number of pin contacts shall be identified on both sides of the header insert to assure that every pin contact will be properly identified. 3.4.3.3 Header Drotective and watertight - cam. The header protective and w
44、atertight cap assemblies shall be as specified on the applicable specification sheet. 3.4.4 Stress relievinrr;. Metals used in fabrication and assembly shall be treated or heat-treated to prevent deterioration or failure due to stresses or other conditions resulting from working, forming, welding, b
45、razing, and so forth during the fabrication process, 3.4.5 Threads, Unless otherwise specified in the specification sheet, threads shall be right-hand, class 2, in accordance with Unified National screw threads as specified in FED-STD-H28 and FED-STD-H28/2. The first and last partial thread of both
46、internal and external threads shall have the initial portions removed for an extent of 110 to 120 degrees. 3.4.6 Machined surfaces, Unless otherwise specified (see 6.2), machined surfaces shall be 63 root mean square (rms) maximum. Any machining of metal parts shall be accomplished before plating or
47、 other finish is applied. 3.4.7 Cast and molded Darts. Every cast or molded part shall be free rom cold shuts, blow holes, fins, flashing, or burrs. Non-machined surfaces shall have a 250 rms maximum finish, 3.4.8 Sham edges. Sharp edges shall be slightly rounded (0.003 to 0.010 inch maximum), Drill
48、ed and tapped holes shall have all burrs removed. 6 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-3.4.9 Finish. Surface finishes shall be in accordance with ANSI B46.1, except that O-ring sealing surfaces shall have a 32 rms maximum finish and shal
49、l be free from tool marks, scratches, voids, blow holes, dents, and flaws. Exposed corrosion-resistant steel parts of the plug and header assemblies shall have a passivated finish. 3.4.10 Loose Darts. Loose parts required for installation or operation shall be enclosed in a cloth or plastic bag and packaged with the assembly (see 5.1). 3.5 Interchangeability. In no case shall parts be physically interchangeable or reversible unless such parts are also interchangeabl
