1、5 September 1984 SUPERSEDING MIL-C-24217(SHIPS) 12 May 1966 (See 6.9) MILITARY SPECIFICATION CONNECTORS, ELECTRICAL, DEEP SUBMERGENCE, SUBMARINE This specification is approved for use by the Naval Sea Systems Command, Department of the Navy, and is available for use by all Departments and Agencies o
2、f the Department of Defense. 1. SCOPE 1.1 Scope. This specification covers requirements for deep submergence electrical connectors for submarine applications. These connectors shall be capable of withstanding the hydrostatic pressure range from zero pounds per square inch (lb/in2) to 10,000 lb/in2,
3、with a maximum recommended operating pressure of 6,500 lb/in2. This specification also covers accessories for these connectors, such as protective caps and pressure-proof caps. Harness assem- blies and complete electrical hull penetrators are not covered by this speci- fication (see 6.6). 1.2 Milita
4、ry part number, The military part number shall consist of the letter “M“, the basic number of the specification sheet, and an assigned dash number (see 3.1) as shown in the following example: “, . 242l/l -011 Military Specification Dash designator sheet number number Beneficial comments (recommendat
5、ions, 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 by using the self-addressed Standardization Document Improvement Proposal (DD Form 14
6、26) appearing at the end of this document or by letter. FSC 5935 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-ZLI217A 59 W 973930b 002897b 5 MIL-C-24217A(SH) 2. APPLICABLE DOCUllENTS 2.1 Government documents. 2,l.l Specifications and standar
7、ds. Unless otherwise specified, the fol- lowing specifications and standards, of the issue listed in that issue of the Department of Defense Index of Specifications and Standards (DoDISS) svecified inthe solicitation form a part herein, SPECIFICATIONS FEDERAL L-P-410 QQ-C-465 - QQ-N-290 - QQ-P-35 -
8、QQ-S-763 - ZZ-R-765 - MILITARY MIL-M- 1 4 - MIL-P- 7 9 - MIL-P- 116 - MIL-S-8660 - MIL-W-16878 - MIL-W-16878/4 - MIL-1-17214 - MIL-E-17555 - MIL-C-22520 - MIL-P-25732 - MIL-C-39029 - MIL-C-39029/35 - MIL-C-39029/37 - bf this specification to the -extent specified “ Plastic, Polyamide (Nylon), Rigid:
9、 Rods, Tubes, Copper-Aluminum Alloys (Aluminum Bronze) (Copper Flats, Molded and Cast Parts. Alloy Numbers 606, 614, 630, 632M, and 642); Rod, Flat Products with Finished Edges (Flat Wire, Strip, and Bar), Shapes, and Forgings. Nickel Plating (Electrodeposited). Passivation Treatments for Corrosion-
10、Resisting Steel Bars, Wire, Shapes, and Forgings, Corrosion- Rubber, Silicone. Steel. Resisting. Molding Plastics and Molded Plastic Parts, Thermo- Plastic Rods and Tubes, Thermosetting, Laminated. Preservation, Methods .x*-, Silicone Compound, NATO Code Number S-736. Wire, Electriral, Insulated, Ge
11、neral Specifica- “:re, Electrical, Polytetrafluoroethylene (PTFE) Indicator, Permeability; Low Mu (GO-NO GO). Electronic and Electrical Equipment, Accessories, and Repair Parts: Packaging and Packing of. Crimping Tools, Terminal Hand or Power Actuated, Wire Termination, and Tool Kits, General Speci-
12、 fication for. Packing, Preformed, Petroleum Hydraulic Fluid Resistant, Limited Service at 275F (135OC). Contacts, Electrical Connector, General Speci- fication for. Contacts, Electrical Connector, Socket, Crimp Removable, (for MIL-C-28748/4 and MIL-C-28748/14 Connectors). Contacts, Electrical Conne
13、ctor, Socket, Crimp Removable, (for MIL-C-28748/10 Connectors). setting. tion for. Lmulated, 200C, 600 Volts, Extruded Insulation. 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-STANDARDS FEDERAL FED-STD-H28 - MILITARY MIL-STD-202 - MIL-STD-454 -
14、MS20995 - M528775 - Screw Thread Standards for Federal Services. Test Methods for Electronic and Electrical Standard General Requirements for Electronic Wire, Safety or Lock. Packing, Preformed, Hydraulic, +275F (“O. Ring). Component Parts. Equipment. (See supplement 1 for applicable specification s
15、heets.) (Copies of specifications and standards required by contractors in connec- tion with specific acquisition functions should be obtained from the contracting activity or as directed by the contracting officer.) 2.2 Other publications. The following documents form a part of this specification t
16、o the extent specified herein. The issues of the documents which are indicated as DoD adopted shall be the issue listed in the current DoDISS and the supplement thereto, if applicable. AS TM D 1141 - Substitute Ocean Water. (DoD adopted) (Application for copies should be addressed to ASTM, 1916 Race
17、 Street, Philadelphia, PA 19103.) SOCIETY OF AUTOMOTIVE ENGINEERS (SAE) AS 568 - Aerospace Size Standard for O-Rings. .(Application for copies should he addressed to the Society of Automotive Engineers, 400 Commonwealth Drive, Warrendale, PA 15096.) UNIFORM CLASSIFICATION COMMITTEE AGENT Uniform Fre
18、ight Classif-ication Ratings, Rules and Regulations (Application for copies should be addressed to the Uniform Classification Committee Agent, Tariff Publication Officer, Room 1106, 222 South Riverside Plaza, Chicago, IL 60606.) (Industry association specifications and standards are generally availa
19、ble for reference from libraries. They are also distributed among technical groups and using Federal agencies.) 2.3 Order of precedence. In the event of a conflict between the text of this specification and the references cited herein, the text of this speci- fication shall take precedence. 3 Provid
20、ed by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-flK-C-aLi217A 57 9779706 0028778 7 MIL-C-24217A(SH) 3. REQUIREMENTS 3.1 Specification sheets. The individual item requirements shall be as specified herein and in accordance with the applicable specification
21、sheets. In the event of any conflict between the requirements of this specification and the specification sheets, the latter shall govern. 3.2 First article. When specified (see 6.2.1), a sample shall be sub- jected to first article inspection (see 4.4, 4.7.5.1 and 6.4). 3.3 Materials, Plugs (see 6.
22、3.3), receptacles (see 6.3.2) and parts shall be made of materials specified on the applicable specification sheets and as specified herein. 3.3.1 Non-magnetic materials. Unless otherwise specified herein, all parts shall be of a non-ferrous material or a material generally considered to be non-magn
23、etic; permeability shall be less than 2.0 nanometer (nm) (see 4.7.13). 3.3.2 Receptacle bodies. Receptacle bodies shall be of corrosion-resistant steel in accordance with class 316L of QQ-S-763, and shall be passivated in accordance with QQ-P-35. 3.3.2.1 Material certification. When specified (see 6
24、.2.1), each receptacle shall be accompanied by documentary evidence in accordance with the data ordering document (see 4.6.1 and 6.2.2) that chemical and mechanical properties of the body material are in accordance with QQ-S-763, as verified by laboratory analysis. 3.3.3 Plug shells. Plug shells (se
25、e 6.3.4) shall be fabricated from corrosion-resistant steel in accordance with class 316 of QQ-S-763, and shall be passivated in accordance with QQ-P-35. 3.3.4 Coupling rings. Coupling rings (see 6.3.8) shall be fabricated from nickel aluminum bronze or copper aluminum alloy number 630 in accordance
26、 With QQ-C-465. 3.3.5 Socket contacts. Socket contact (see 6.3.7) material shall be in accordance with MIL-C-39029. 3.3.6 Pin contacts. Pin contacts (see 6.3.6) shall be made of a conduc- tive material passing the electrical test specified herein. Contact surfaces shall be smooth, and shall be plate
27、d with a minimum 0.0002 inch thick hard gold finish over a minimum of 0.00005 inch of copper. Hard gold shall be Considered gold alloy, 23 karat or greater, having a minimum knoop hardness of 110. An intermediate plating layer of nickel, in accordance with QQ-N-290, is acceptable. . 4 Provided by IH
28、SNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-24217A 59 m 7779906 0028777 O 3.3.7 Thrust washers. Coupling ring (see 6.3,8) thrust washers shall be made from polyamide, in accordance with L-P-410. 3.3.8 Insulator retaining rings- Insulator retaining rings
29、shall be made of class 302 corrosion-resktant steel in accordance with QQ-S-763. 3.3.9 Plug insulators. Plug insulators (see 6.3.5) shall be a molded glass filled diallyl phthalate material in accordance with type GDI-30F of MIL-M- 14. 3.3.10 Pin contact insulation. Receptacle pin contact insulation
30、 shall be fabricated from insulation material passing the electrical tests specified herein. This material shall also provide a watertight seal passing the physical tests specified herein. 3.3.11 Protective caps. Protective caps shall be molded or machined from acrylo butadiene styrene, or alternate
31、 plastic or non-ferrous material. Marking of protective caps is not reqdred. These caps are intended to maintain clean- liness and provide physical protection during handling and shipping and are not intended for pressure test applications. 33.12 Seal, plug to receptacle. Automatic squeeze type gask
32、ets, such as O-rings, shall be molded of material in accordance with MIL-P-25732. 3.3.13 Contact gasket. Contact gasket seal material shall be molded from silicone in accordance with class 2b of ZZ-R-765 or poured in place using a clean room temperature vulcanizing (RTV) silicone. 3.3.14 Pressure pr
33、oof receptacle caps. Pressure proof caps for receptacles shall be fabricated from corrosion-resistant steel in accordance with class 316 of QQ-S-763, and shall be passivated in accordance with QQ-P-35. 3.3.15 Pressure proof plug caps. Pressure proof caps for plugs shall be fabricated from corrosion-
34、resisting steel in accordance with class 316 of QQ-S-763. 3.3.16 Recovered materials. Unless otherwise specified herein, all equip- ment, material, and articles incorporated in the products covered by this spec- ification shall be new and shall be fabricated using materials produced from recovered m
35、aterials to the maximum extent practicable without jeopardizing the intended use. The term “recovered materials“ means materials which have been collected or recovered from solid waste and reprocessed to become a source of raw materials, as apposed to virgin raw materials. None of the above shall be
36、 interpreted to mean that the use of used or rebuilt products is allowed under this specification unless otherwise specifically specified. 3.4 Design and construction. The design and construction of electrical connectors shall conform to the applicable specification sheet and the require- ments spec
37、ified herein. 3.4.1 General construction requirements. Unless otherwise specified on the applicable specification sheet, the general construction requirements shall be as follows: 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Tolerances : (1) Fra
38、ctional dimension plus or minus 0.010 inch (2) Decimal dimensions plus or minus 0.005 inch (3) Angles plus or minus 1/2 degree (4) Chamfer angles plus or minus 1 degree Sharp corners and edges shall be rounded 0.005 to 0.010 inch. Drilled and tapped holes shall have all burrs removed. Unless otherwi
39、se specified on applicable specification sheets, machined surfaces shall have a roughn.css average (Ra) of 63 microinches maximum. Machining of metal parts shall be accomplished before plating or other finish is applied. Unless otherwise specified on the applicable specification sheet, threads shall
40、 be in accordance with FED-STD-H28. Threads shall be checked by means of ring and plug gages only in accordance with FED-STD-H28. 3.4.3.8) (such as O-ring) shall have a Ra of 32 microinches, maximum, finish. These surfaces shall be free of total marks, nicks and scratches . Prior to welding or brazi
41、ng, all parts shall be jigged or clamped to ensure proper alinement. Cast or molded parts shall be free from cold shuts, blow holes or other imperfections. Surfaces shall have fins, flashing and burrs removed. Surfaces in contact with automatic squeeze type gaskets (see 3.4.2 Contact design. Contact
42、s shall be so designated that neither the pins nor the sockets will be damaged during mating of counterpart plugs and receptacles. 3.4.2.1 Solder type pin contacts. Pin contact solder cups shall be dimensioned as shown on figure 1. 3.4.2.2 Crimp type socket contacts. The socket contact crimp barrels
43、 shall be in accordance with MIL-C-39029, and MIL-C-39029/35 or MIL-C-39029/37. 3.4.3 Plug assembly. A plug assembly shall consist of plug shell, front insulator, rear insulator, retaining ring, socket contacts, coupling ring, thrust washer, O-ring gasket and plug protective cap. 3.4.3.1 Plug shell.
44、 The plug shell shall conform to design and dimensions specified on the applicable specification sheet. 3.4.3.2 Plug-receptacle polarization. Polarization of the plug with its receptacle shall be with the use of two integral keys in the receptacle and two keyways in the plug shell. Polarization shal
45、l conform to the applicable speci- fication sheet. 6 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-242L7A 57 977990b OO2B9BL 9 MIL-C-24217A(SH) 3.4.3.3 Front, middle and rear insulators. The insulators shall be constructed with proper section
46、s and radii as specified on the applicable specification sheet, in order that insulators will not chip, crack or break at assembly or in service. 3.4.3.3.1 Front insulator. The front insulator shall be polarized to the plug shell by means of a shell key and a keyway in the insulator as specified on
47、the applicable specification sheet. 3.4.3.4 Retaining ring. The insulators shall be held in position inside the plug shell by means of a retaining ring designed to fulfill its function. 3.4.3.5 Plug coupling ring. The plug coupling ring shall be designed as shown on the applicable specification shee
48、t. 3.4.3.6 Plug protective and pressure proof caps. The plug -protective and pressure proof caps shall be as specified on the applicable specification sheet. 3.4.3.7 Thrust washer. A thrust washer shall be provided as shown on the applicable specification sheet. 3.4.3.8 O-ring seals. Automatic squee
49、ze type gaskets shall be provided and shall conform dimensionally as specified in SAI3 AS 568 or MS28775. 3.4.4 Receptacle. The receptacle design and dimensions shall be as shown on the applicable specification sheet. A receptacle assembly shall consist of a receptacle body, two polarizing keys, pin contacts, pin contact insulation, O-ring gasket, face seal and a protective cap. 3.4.4.1 Polarizing keys. Each receptacle shall be provided with two polarizing key
