1、 MIL-DTL-27599D 21 July 2008 SUPERSEDING MIL-DTL-27599C 20 May 2005 INCH-POUND DETAIL SPECIFICATION CONNECTORS, ELECTRICAL, CIRCULAR, MINIATURE, HIGH DENSITY, QUICK DISCONNECT, ENVIRONMENT RESISTANT, SOLDER CONTACTS, GENERAL SPECIFICATION FOR Inactive for new design after 7 December 1998.This specif
2、ication is approved for use by all Departments and Agencies of the Department of Defense. 1. SCOPE 1.1 Scope. This specification covers two series of miniature, high density, quick disconnect, bayonet coupling, circular, environment resistant, electrical connectors capable of continuous operation wi
3、thin a temperature range of -65C to +175C (see 6.1). These connectors are intermateable with applicable series I and series II connectors of MIL-DTL-38999. These connectors are supplied under a MIL-STD-790 reliability assurance program. See 6.1 for restrictions on intended use and applications. 1.1.
4、1 Marking. Connectors and accessories are metal or ink stamped with the manufacturers name or trademark, date code, and the following information, as applicable. Stamping is in accordance with MIL-STD-1285 where space permits. Metal stamping is accomplished before plating. The following is an exampl
5、e of the Part or Identifying Number (PIN): MS20026 T 15 A 18 P A MS number Class Shell size Finish (color) Insert arrangement Style Polarizing position (No letter is required for normal position) Comments, suggestions, or questions on this document should be addressed to Defense Supply Center Columb
6、us, ATTN: VAI, P.O. Box 3990, Columbus OH 43218-3990 or emailed to circularconnectordscc.dla.mil. Since contact information can change, you may want to verify the currency of this address information using the ASSIST Online database at http:/assist.daps.dla.mil. AMSC N/A FSC 5935 Provided by IHSNot
7、for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-27599D 2 1.2 Description. Both series employ fixed pin and socket contacts with solder termination. Both series are designed to assure proper orientation of the mating halves prior to electrical circuit closure. B
8、oth series provide EMI shielding capability. Series I provides electrical continuity between mated shells prior to contact engagement and have the contacts so located as to be protected from handling damage and inadvertent electrical contact. Series II provides low silhouette for minimum size and we
9、ight and includes connectors which provide shell-to-shell electrical continuity when mated. 1.2.1 Design considerations. Connectors are capable of satisfactory performance during or after, as applicable, subjection to the following environmental conditions: 1.2.2 Temperature. Temperatures from -65C
10、to +175C (see 1.3.1d). 1.2.3 Vibration. Vibration from 10 to 2,000 Hz sinusoidal at 10 gs at ambient temperature. 1.2.4 Shock. Shock as represented by a 3 1 milliseconds base half-sine wave peaking at 30 gs. 1.2.5 Humidity. Humidity conditions up to 98 percent relative humidity including condensatio
11、n. 1.2.6 Temperature cycling (see 4.6.2). 1.2.7 EMI shielding. EMI shielding effectiveness: Series I: 100 MHz to 1 GHz minimum attenuation of 85 dB. Series II: 100 MHz to 1 GHz minimum attenuation of 45 dB. 1.3 Classification. 1.3.1 Connectors. Connectors fabricated to this specification are classif
12、ied as follows: a. Series. The series I and II connectors are not interchangeable or intermateable. I Scoop-proof. II Non-scoop-proof, low silhouette. b. Types: (1) Plugs: Straight, without spring fingers. Straight, with spring fingers that make shell contact prior to contact engagement. Straight, w
13、ith spring fingers that make shell contact after contacts engage. (2) Receptacles: Box mounting, both front and rear panel mounting. Wall mounting, both front and rear panel mounting. Jam-nut mounting. c. Classes: P For potting: Includes potting form. T General duty: Pressurized (receptacles only).
14、Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-27599D 3 d. Temperature ranges: Finishes: A Bright cadmium plate over nickel (conductive) -65C to +150C. B Olive-drab cadmium plate over suitable underplate (conductive) -65C to +175C. P Pure de
15、nse electrodeposited aluminum. T Nickel fluorocarbon polymer. Z Zinc Nickel Alloy. e. Contact styles: P Pin contacts, solder cups. S Socket contacts, solder cups. 2. APPLICABLE DOCUMENTS 2.1 General. The documents listed in this section are specified in sections 3, 4, or 5 of this specification. Thi
16、s section does not include documents cited in other sections of this specification or recommended for addition information 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 documents c
17、ited in sections 3, 4, or 5 of this specification, whether or not they are listed. 2.2 Government documents. 2.2.1 Specifications, standards, and handbooks. The following specifications, standards, and handbooks form a part of this document to the extent specified herein. Unless otherwise specified,
18、 the issues of these documents are those cited in the solicitation or contract. FEDERAL STANDARDS FED-STD-H28 - Screw-Thread Standards for Federal Services. DEPARTMENT OF DEFENSE SPECIFICATIONS MIL-S-7742 - Screw Threads, Standard, Optimum Selected Series: General Specification for. MIL-A-46146 - Ad
19、hesive-sealants, Silicone, RTV, Non-Corrosive (For Use With Sensitive Metals and Equipment.) MIL-DTL-83488 - Coating, Aluminum, High Purity. DEPARTMENT OF DEFENSE STANDARDS MIL-STD-810 - Test Method Standard for Environmental Engineering Considerations and Laboratory Tests. MIL-STD-790 - Established
20、 Reliability And High Reliability Qualified Products List (QPL) Systems For Electrical, Electronic, And Fiber Optic Parts Specifications MIL-STD-889 - Dissimilar Metals MIL-STD-1560 - Insert Arrangements for MIL-C-38999 and MIL-C-27599 Electrical, Circular Connectors. MS3186 - Connector, Mounting to
21、 Connectors, Mounting Nuts, Plain, Hexagon. MS20029 - Connector, Receptacle, Electric, Jam Nut Mounting, Solder Type, Bayonet Coupling. MS27512 - Nut, Hexagon, Connector Mounting, Series II. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-275
22、99D 4 (See supplement or for list of specifications sheets.) (Copies of these documents are available online at http:/assist.daps.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
23、following documents 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. ASTM INTERNATIONAL ASTM B488 - Standard Specification for Electrodeposited Coatings of Gold for Engineering Uses
24、. ASTM D570 - Plastic, Water Absorption of. ASTM B841 - Standard Specification for Electrodeposited Coatings of Zinc Nickel Alloy Deposits. (Copies of these documents are available at http:/www.astm.org or ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, Pennsylvania 19428-
25、2959.) ELECTRONIC INDUSTRIES ASSOCIATION (EIA) EIA-364 - Electrical Connector/Socket Test Procedures Including Environment Classifications EIA-364-02 - Air Leakage Test Procedure For Electrical Connectors EIA-364-06 - Contact Resistance Test Procedure For Electrical Connectors EIA-364-20 - Connector
26、s, Sockets And Coaxial Contacts, Electrical, Withstanding Voltage Test Procedures For EIA-364-21 - Insulation Resistance Test Procedure for Electrical Connectors, Sockets, and Coaxial Contacts EIA-364-25 - Probe Damage Test Procedure For Electrical Connectors EIA-364-26 - Connectors, Contacts And So
27、ckets, Electrical, Salt Spray Test Procedure For EIA-364-28 - Connectors And Sockets, Electrical, Vibration Test Procedure For EIA-364-31 - Connectors And Sockets, Electrical, Humidity Test Procedure For EIA-364-32 - Connectors And Sockets, Electrical, Thermal Shock (Temperature Cycling) Test Proced
28、ure For EIA-364-35 - Connectors, Electrical, Insert Retention Test Procedure For EIA-364-37 - Contact Engagement And Separation Force Test Procedure For Electrical Connectors EIA-364-54 - Connectors, Contacts, And Sockets, Electrical, Magnetic Permeability Test Procedure For EIA-364-83 - Shell-To-Sh
29、ell And Shell-To-Bulkhead Resistance Test Procedure For Electrical Connectors (Copies of these documents are available at http:/ or Global Engineering Documents, 15 Inverness Way East, Englewood, CO 80112.) Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS
30、-,-,-MIL-DTL-27599D 5 INTERNATIONAL STANDARDS ORGANIZATIONS (ISO) ISO-10012-1 - Quality Assurance Requirements for Measuring Equipment (Copies of these documents are available at http:/www.iso.ch or International Organization for Standardization American National Standards Institute, 11 West 42ndStr
31、eet, 13thFloor, New York, NY 10036.) SAE INTERNATIONAL SAE-AMS-QQ-P-416 - Plating, Cadmium (Electrodeposited). SAE-AS3578 - Packing, Preformed - O-Ring Seal Ams7271. SAE-AIR 4789 - Evaluating Corrosion Testing of Electrical Connectors and Accessories For the Purpose of Qualification. SAE-AS31971 - P
32、in, Gage, For Socket Contact Engagement Test. SAE-AS22759 - Wire, Electrical, Fluoropolymer-Insulated, Copper or Copper Alloy SAE-AS39029 - Contact, Electrical Connector, General Specification for. (Copies of these documents are available at http:/www.sae.org or SAE International, 400 Commonwealth D
33、rive, Warrendale, PA 15096-001.) 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 t
34、his document, however, 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 sheet. In the event of any conf
35、lict between the requirements of this specification and the specification sheet, the latter shall govern. 3.2 Qualification. Both connector series furnished under this specification shall be products that are authorized by the qualifying activity for listing on the applicable qualified products list
36、 before contract award (see 4.4 and 6.3). 3.2.1 Reliability. The contractors reliability program for assembled connectors and assembly procedures shall meet the requirements of MIL-STD-790. 3.3 Materials. 3.3.1 Metals. Metals shall be of a corrosion-resistant type or shall be plated or treated to re
37、sist corrosion. 3.3.1.1 Dissimilar metals and compatible couples. When dissimilar metals are used in intimate contact with each other, protection against galvanic corrosion shall be provided. The use of dissimilar metals in contact, which tend toward active galvanic corrosion (particularly brass, co
38、pper, or steel used in the contact with aluminum or aluminum alloy) is not acceptable. However, metal plating of dissimilar-base metals to provide similar or suitable abutting surfaces is permitted. The use of dissimilar metals separated by a suitable insulating material is also permitted. Dissimila
39、r metals and compatible couples are defined in MIL-STD-889. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-27599D 6 3.3.1.2 Hydrolytic stability. When tested as specified in 4.3.2, the connector shall be without defects detrimental to mechan
40、ical performance. There shall be no increase in the connector weight greater than 0.75 percent. When subjected to an overtorque at 150 percent of those values specified in table I, there shall be no evidence of cracking, breaking, or loosening of parts. 3.3.1.3 Recycled, recovered, or environmentall
41、y preferable materials. Recycled, recovered, or environmentally preferable materials 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. 3.3.2 Components. Mat
42、erials for specific components of the connector shall be as specified (see 3.3.2.1). 3.3.2.1 Classes P and T. a. Shell: Impact extruded or machined aluminum alloy. b. Coupling ring, jam-nut, and potting ring: Machined aluminum alloy. c. Insert: Reinforced epoxy resin or other suitable rigid dielectr
43、ic material. d. Contacts: Style P: Copper alloy: Style S: Beryllium copper; hood or sleeve shall be corrosion-resistant steel. e. Bayonet pins: Corrosion-resistant steel. f. Spring fingers: Heat-treated beryllium copper. g. Filler compound: RTV silicone conforming to MIL-A-46146 or equivalent. h. Ga
44、skets: Silicone or fluorosilicone elastomer. 3.3.3 Fungus resistant. Materials used in the construction of these connectors shall be fungus inert (see 4.3.3). 3.3.4 Nonmagnetic materials. The relative permeability of the wired, assembled, and fully mated connector assembly shall be less than 2.0 whe
45、n measured in accordance with 4.6.22. 3.4 Design and construction. Connectors and accessories shall be designed and constructed to withstand normal handling incident to installation and maintenance in service. Connector intermateability control dimensions shall be as specified on figures 1 and 2. Co
46、nnector accessory interface dimensions shall be as specified on figures 3 and 4. Recommended panel cut-out dimensions are shown on figure 5. 3.4.1 Contacts. Contacts shall be designed for solder termination and shall be molded into inserts. Dimensions for contacts shall be as specified on figure 6.
47、3.4.1.1 Contact arrangement. Contact arrangement shall be in accordance with MIL-STD-1560. The engaging end of the pin contacts in assembled connectors shall be located within 0.004 inch diameter of true position and the engaging end of socket contacts in assembled connectors shall be located within
48、 0.004 inch diameter of true position. 3.4.2 Inserts. Inserts shall be molded in one piece and shall be free from voids or surface irregularities and shall have mold cavity identification. The mold cavity identification number shall appear on the rear face (solder cup) side of the insert. Inserts shall be secured to prevent rotation. Socket insert entry holes shall be as specified on figure 6. 3.4.3 Shell. Shells, including mounting flanges, shall be of one-piece construction and shall be designed to retain their inserts in one position, both axially and with respect to rotation, by m
