D38999/20GG27HC datasheet, PDF

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D38999/20GG27HC: DescriptionMIL Series Connector, 27 Contact(s), Aluminum Alloy, Male, Crimp Terminal; CategoryThe connector The connector; File Size960KB，111 Pages; ManufacturerDefense Logistics Agency

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D38999/20GG27HC Overview

MIL Series Connector, 27 Contact(s), Aluminum Alloy, Male, Crimp Terminal

D38999/20GG27HC Parametric

Parameter Name	Attribute value
Objectid	1129900926
Reach Compliance Code	unknown
ECCN code	EAR99
Other features	STANDARD: MIL-C 38999
Rear interface of connector	MIL-C-38999 Ser III,IV
Connector insertion details	I202
Connector type	MIL SERIES CONNECTOR
Contact point gender	MALE
Contact part number	M39029/107-621
Number of contacts	27
Contact size	20
Contact type	Crp Rear Rlse
Coupling type	THREADED
other instructions	Receptacle, Wall Mount
Drawing date and revision	17DEC99,K
Environmental characteristics	ENVIRONMENT RESISTANT
waterproof level	Partial
MIL compliance	YES
Military connector housing	S388B
Mixed contacts	YES
Maximum operating temperature	200 °C
Minimum operating temperature	-65 °C
polarization	C
Shell surface	ELECTROLESS NICKEL
Shell material	ALUMINUM ALLOY
Housing size	21
Termination type	CRIMP
Total number of contacts	27
Unique insertion number	G27

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INCH-POUND

MIL-DTL-38999K

17 December 1999

SUPERSEDING

MIL-C-38999J

06 April 1990

DETAIL SPECIFICATION

CONNECTORS, ELECTRICAL, CIRCULAR, MINIATURE, HIGH DENSITY,

QUICK DISCONNECT (BAYONET, THREADED, AND BREECH COUPLING),

ENVIRONMENT RESISTANT, REMOVABLE CRIMP 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

1.1 Scope. This specification covers four series of miniature, high density, bayonet, threaded, or breech

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 EMI shielding capability. Series I, III, and IV connectors with conductive finishes provide

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 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, II, III, and IV connectors are not interchangeable or intermateable.

III

Scoop-proof, bayonet coupling.

Non-scoop-proof, bayonet coupling, low silhouette.

Scoop-proof, triple start, self-locking, threaded coupling.

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: VAI, 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.

AMSC N/A

DISTRIBUTION STATEMENT A: Approved for public release; distribution is unlimited.

FSC 5935

MIL-DTL-38999K

(2) Contact designators for connectors using other than standard contact arrangements as

indicated in MIL-STD-1560 are as follows:

A -Pin contact insert.

B -Socket contact insert.

The A and B designators are used to indicate that the connectors will be used with other than

standard contacts as indicated in MIL-STD-1560 (example: shielded, coaxial thermocouple,

fiber optic contacts). The A and B designators are part of the connector PINs and should be

marked on the connectors.

The standard contacts should not be supplied with the connectors. The contacts that will be

used with the connectors must be ordered separately (see 3.4.1.1, 3.43, and 6.2).

Note: When other than standard power contacts are used, the requirements stated herein may

not be met.

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 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 cited in

sections 3 and 4 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, the issues of these

documents are those listed in the issue of the Department of Defense Index of Specifications and Standards

(DoDISS) and supplement thereto, cited in the solicitation (see 6.2).

SPECIFICATIONS

FEDERAL

QQ-N-290

QQ-P-416

Nickel Plating (Electrodeposited).

Plating, Cadmium (Electrodeposited).

DEPARTMENT OF DEFENSE

MIL-C-17

MIL-S-901

MIL-DTL-5624

MIL-S-7742

MIL-A-8625

MIL-DTL-22520

MIL-W-22759

MIL-C-39029

MIL-A-46146

Cables, Radio Frequency, Flexible and Semirigid,

General Specification For.

Shock Tests, H.I. (High-Impact); Shipboard Machinery, Equipment

and Systems, Requirements.

Turbine Fuel, Aviation, Grades JP-4 and JP-5.

Screw Threads, Standard, Optimum Selected Series,

General Specification For.

Anodic Coatings, for Aluminum and Aluminum Alloys.

Crimping Tools, Wire Termination, General Specification For.

Wire, Electrical, Fluoropolymer-Insulated, Copper or Copper Alloy.

Contacts, Electrical Connector, General Specification For.

Adhesive Sealants, Silicone, RTV, Non-corrosive

(for use with Sensitive Metals and Equipment).

Wire, Electrical, Polyimide-Insulated, Copper or Copper Alloy.

MIL-DTL-81381 -

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