Figure 27. Basic Identification Number and Color Bands
157. STEP STRIPPING FILTER LINE. Refer to
153. CONTACT APPLICATION. Contacts used in
Series IV connectors are manufactured in accordance
with AS39029. The Basic Identification Number (BIN)
158. COAXIAL CONTACTS. When routing coaxial
or last three digits of the contact part number, matches
cable through connectors, coaxial contacts are superior
the standard resistor color code (Figure 27). BIN code
to other coaxial cable shield termination methods. The
numbering is allowed for size 16 and larger contacts.
shield integrity is maintained across the contact body.
If stamped or printed numbers are used, the digits
The coaxial cable groups listed in Table 27 can be
must be a minimum of .060 inches high.
interconnected through MIL-DTL-38999 connector size
12, and 16 contact cavities. Match the required contact
154. POWER CONTACTS. Power contacts are used
size to the connector application and cable group.
to connect single conductor wire through connectors.
When crimping the center contact for these cables, use
The power contacts range from size 10 through 22M
the crimp tool selector knob settings specified. Socket
and are of crimp, rear-release design. Contacts are
and pin contact part numbers are listed along with the
listed by size. Match the required size to the connector
corresponding color bands. Socket coaxial contacts
have a pin center contact. Pin coaxial contacts have a
pin contact part numbers are listed along with the
socket center contact (Figure 28).
corresponding color bands (Table 25).
155. THERMOCOUPLE CONTACTS. Temperature
ASSEMBLY. To assemble the coaxial contacts to the
sensing systems utilize two dissimilar metal
applicable cable, identify the cable by group (Table 27).
conductors with matched lengths. When joined at the
Select the proper contact by size and cable group
point temperature will be sensed, a voltage difference
(Table 28). Select the proper tooling and determine the
develops. This voltage is directly proportional to the
required strip dimensions (Table 29).
temperature change. Thermocouple contacts are either
nickel-aluminum/silicon (formerly alumel), nickel-
160. Strip coaxial cable to the dimensions specified in
chromium (formerly chromel), iron, or copper-nickel
Table 29, according to the stripping procedures in
alloy (formerly constantan) Match the required size to
NAVAIR 01-1A-505-1, WP 009 00. Build up crimp tools
as specified in Table 29 according to NAVAIR 01-1A-
Socket and pin contact part numbers are listed along
505-1, WP 013 00. Assemble the contact as outlined for
with the corresponding color bands (Table 25).
Series I connector (Figure 8).
156. TOOLING. The procedures for attaching power
and thermocouple contacts to a single conductor wire
is the same for this connector series and contacts. Select
the proper tooling for the specific contact part number
and refer to NAVAIR 01-1A-505-1, WP 013 00 for
correct assembly and crimp procedures (Table 26).