?The number of contacts for single includes only one type: 37 cores;      ?The number of contacts for cables with single plug includes only one type: 37 cores     ?The number of contacts for coupled plug includes: 37×4;     ?The number of contacts for four couplet plug includes: 37×4;     ?Using twist wire and spring pin(twist pin);     ?Including two types: light insertion force and heavy insertion force;     ?Contacts and cables are all crimp contact, and the type, length, and connecting way of cable are on request;      ?The Performance Standards:         Q/Lk.J(02)80B-2005 The  l standard for J68 subminiature rectangular connectors and cables

J74  -  37 TJ/ZK   Q/4Z/W?/4S      ?       ?      ?              ?       ?:J74 —Series Prefix       ?:37 —Number of contacts:37       ?:TJ/ZK —Type of connectors and contacts:                 TJ— pin in the plug     ZK—socket in the receptacle       ?:Q/4Z/W?/4S — Variation              No designator— basic connectors Q — light insertion force connectors                    4Z — coupled plug                    W?— single head cable                           (W1~W9 for cable arrangement or type is different )                     4S — four couplet plug    Note:at present only including basic receptacle(ZK)   For example    J74 –37TJ–4Z     Means the J74 coupled plug connector, and the number of contacts is 37.

Plug
?J74-37TJ(-Q)
The picture of product	The outline dimensions of products
Receptacle
?J74-37ZK(-Q)
The picture of product	The outline dimensions of products
?J74-37TJ-4Z coupled plug
The picture of product	The outline dimensions of products
?J74-37TJ-W? single plug cable
The picture of product	The outline dimensions of products
?J74-37TJ-4S four couplet plug
The outline dimensions of products

The tail end cable is omitted