1 September 2011
20. Class S connectors. Class S connectors are
8. Military Designation. The military designation is
denoted by the letter M.
supplied with non-removable solder post terminations.
This connector is intended for use with flexible printed
9. Specification Sheet Number. The specification sheet
circuits conforming to the pin pattern. Thread inserts are
number denotes the class and contacts.
provided for securing printed circuit to rear of connector.
10. Dash Number. The dash number denotes the shell
21. Class SE connectors. Class SE connectors are
size and number of contacts.
supplied with non-removable solder post terminations
and interfacial seal. They are for use with the same
letter code (Figure 3).
22. INSERT ARRANGEMENTS. The insert
12. DESIGN AND CONSTRUCTION. Connectors
arrangement is the number and size of contacts available
and accessories are designed and constructed to
by shell size (Table 3).
withstand normal handling incidental to installation and
23. INSERT CONFIGURATION. The insert
13. INSERTS. Inserts are molded or bonded one-piece
configuration is the manner in which contacts are placed
construction of thermoplastic polyester material. The
within insert in a, standard configuration (Figure 4).
insert is designed to permit individual insertion and
extraction of contacts without use of a retention ring, or
24. CONTACTS. The type of contacts used on MIL-
removal of insert or sealing members.
DTL-28804 connectors are as follows:
25. Solder Contacts. Solder contacts are non-
14. INTERCHANGEABILITY. All MIL-DTL-28804
removable from the insert and have solder post
connectors having the same part number are completely
interchangeable with respect to installation and
performance. Solder and crimp contact connectors are
26. Removable Contacts. Removable contacts are in
accordance with MIL-DTL-28804/9 (pin) and MIL-
DTL-28804/10 (socket). The inserts are designed to
15. USAGE. MIL-DTL-28804 connectors are used in
provide positive individual contact retention, and
equipment wherein presence of residual magnetism must
individual contact release from the rear of the connector,
using M81969/1-01 tool. Crimp barrels are designed to
be crimped by a M22520/2-01 tool (Figure 5).
16. Class G connectors. Class G connectors are
27. CONNECTOR BUILDUP.
intended for use in non-environmental resisting
applications where the operating temperature range of -
28. WIRE STRIPPING. Strip wire in accordance with
67°F (-55°) to +257°F (+125°C) is experienced. Crimp
contact connectors have the additional advantage of
possessing rear removable crimp type contacts.
a. Cut wire to proper length. Ensure enough wire
17. Class P connectors. Class P connectors are
remains for adequate strain relief without leaving excess
intended for environmental resisting applications where
sealing around wires is accomplished by potting.
b. Strip insulation from end of wire (NAVAIR 0l-
18. Class E connectors. Class E connectors are
1A-505-1, WP 009 00).
intended for environmental resisting applications.
29. CONTACT CRIMPING. Crimp contact in
19. Provisions are made for sealing around wire at
accordance with following procedure:
rear of connectors. Crimp contact connectors have the
advantage of possessing rear release crimp type contacts.
a. Insert wire into crimp barrel of contact until it
bottoms, ensuring wire strands are visible through
inspection hole of contact.