Downloadedfromhttp://www.everyspec.comon2010-12-27T16:37:52 INCH-POUND MIL-DTL-38999K 17 December 1999 SUPERSEDING MIL-C-38999J 06April 1990 DETAILSPECIFICATION CONNECTORS, ELECTRICAL, CIRCULAR, MINIATURE, HIGH DENSITY, QUICK DISCONNECT (BAYONET, THREADED, AND BREECH COUPLING), ENVIRONMENT RESISTANT, REMOVABLECRIMP AND HERMETIC SOLDER CONTACTS GENERAL SPECIFICATION FOR This specification is approved for use by all Departments and Agencies of the Department of Defense. 1. SCOPE coupling, circular, environment resistant, electrical connectors using removable crimp or fixed hermetic solder contacts, and are capable of operation within a temperature range of -65°C to +200°C (see 1.3.1d) See 6.1 for intended use and applications. 1.2 Description. All series include rear release removable pin and socket contacts with crimp termination. All series are designed to assure proper orientation of the mating halves prior to electrical circuit closure. All series include hermetically sealed receptacles with fixed contacts for solder termination. All series include EMl shielding capability. Series I, Ill, and IV connectors with conductive finishes provide for minimum size and weight and includes connectors which provide shell-to-shell electrical continuity when mated. 1.3 Classification 1.3.1 Connectors. Connectors fabricated to this specification are classified as follows: a. Series: The series I, Il, Ill, and IV connectors are not interchangeable or intermateable. 1 Scoop-proof, bayonet coupling. Non-scoop-proof, bayonet coupling, low silhouette. II Scoop-proof, triple start, self-locking, threaded coupling. IV Scoop-proof, breech coupling. Beneficial comments (recommendations, additions, deletions) and any pertinent data which may be of use in improving this document should be addressed to: Defense Supply Center Columbus. ATTN: VAl, 3990 East Broad Street, Columbus OH 43216-5000 by using the self-address Standardization Document Improvement Proposal (DD Form 1426) appearing at the end of this document or by letter. AMSCN/A FSC5935 DISTRIBUTION STATEMENT A: Approved for public release; distribution is unlimited. Downloaded fromhttp://www.everyspec.comon2010-12-27T16:37:52 MIL-DTL-38999K b. Types: (1) Plugs: Straight, without spring fingers. Straight, with spring fingers that make contact to receptacle shell prior to contact engagement. Straight with spring fingers that make contact to receptacle shell after contacts engage. Lanyard release. (2)Receptacles: Box mounting, both front and rear panel mounting. Wall mounting, both front and rear panel mounting. Jam-nut, rear panel mounting. - Solder mounting. Thru-bulkhead. c. Classes: Series I and Il: Environment resisting - Box and thru-bulkhead mounting receptacle types. Other types with rear accessories are inactive for new design. G - Environment resisting - wall and jam nut mounting receptacle and plug types, space grade. Hermetically sealed - space grade. P - for Air Force). Environment resisting - Wall and jam-nut mounting receptacle and plug types. .These Hermetically sealed. Series Ill and IV: Environment resisting - Nonconductive plating, F Environment resisting - Conductive plating. G - Environment resisting - Conductive plating, space grade. H - Hermetically sealed - Corrosion resistant steel, passivated, space grade. J Environment resisting - Conductive, Corrosion resistant composite. Environment resisting - Corrosion resistant steel with Firewall barrier. . M - Environment resisting - Conductive, Corrosion resistant composite. N- Same as F, but higher corrosion requirement. Environment resisting with firewall barrier, corrosion resistant steel - Electrodeposited nickel. Same as W, but higher corrosion requirement. W- Environment resisting - Corrosion resistant plating. Y- Hermetically sealed - Corrosion resistant steel, passivated. Temperature ranges: The upper temperature is the maximum internal hotspot temperature 2 Downloadedfromhttp://www.everyspec.comon2010-12-27T16:37:5