NAVAIR 01-1A-505-2
003 02
TO 00-25-255-1
Page 9
TM 1-1500-323-24-2
43. CONTACT APPLICATION. Contacts used in
49. COAXIAL CONTACTS. When routing coaxial
Series I connectors are manufactured in accordance
cable through connectors, coaxial contacts are superior
with AS39029. The part number breakdown is
to other coaxial cable shield termination methods. The
illustrated (Figure 4).
shield integrity is maintained across the contact body.
The coaxial cable groups listed in Table 6 can be
44. Basic Identification Number. The basic
interconnected through MIL-DTL-38999 connector size
identification number (BIN) or last three digits of the
8, 12, and 16 contact cavities. Match the required
contact part number match the standard resistor color
contact size to the connector application and cable
code. The BIN code is affixed to the connector end of
group. When crimping the center contact for these
the contact and is read left to right starting at the wide
cables, use the crimp tool selector knob settings
band (Figure 5). BIN code numbering is allowed for
specified. Socket and pin contact part numbers are
size 16 and larger contacts. If stamped or printed
listed along with the corresponding color bands. Socket
numbers are used, the digits must be a minimum of
coaxial contacts have a pin center contact. Pin coaxial
.060 inches high.
contacts have a socket center contact (Figures 6 and 7).
45. POWER CONTACTS. Power contacts are used to
50. CABLE AND COAXIAL CONTACT ASSEMBLY.
connect single conductor wire through connectors. The
To assemble the coaxial contacts to the applicable cable
power contacts range from size 10 through 22M and
identify the cable by group (Table 6). Select the proper
are of crimp, rear-release design. Contacts are listed
contact by size and cable group (Table 7). Select the
by size. Match the required size to the connector
proper tooling and determine the required strip
application, wire gage, and composition. Socket and
dimensions (Table 8).
pin contact part numbers are listed along with the
corresponding color bands (Table 4).
51. Strip coaxial cable to the dimension specified in
Table 8, according to stripping procedures in NAVAIR
46. THERMOCOUPLE CONTACTS. Temperature
01-1A-505-1, WP 009 00. Build-up crimp tools as
sensing systems utilize two dissimilar metal
specified according to NAVAIR 01-1A-505-1,
conductors with matched lengths. When joined at the
WP 013 00. Size 12 and size 16 contacts are assembled
point where temperature will he sensed, a voltage
using the procedures (Figure 8). Size 8 contacts are
difference develops. This voltage is directly
assembled using the procedures (Figure 9).
proportional to the temperature change. Thermocouple
contacts are either nickel-aluminum/silicon (formerly
52. CONCENTRIC
TWINAX
CONTACTS.
alumel), nickel-chromium (formerly chromel), iron, or
Concentric twinax contacts are used to interconnect
copper-nickel alloy (formerly constantan). Match the
shielded, twisted pair cable through connectors.
required size to the connector application, wire gage
Application is listed (Table 9). The twisted pair is
and composition. Socket and pin contact part numbers
connected to the center and intermediate contacts
are listed along with the corresponding color bands
while the shield integrity is maintained across the
(Table 4).
contact body. These contacts are used with M17/176-
00002 Type D, class B twin, flexible, radio frequency
47. TOOLING. The procedures for attaching power
cable (Figure 10).
and thermocouple contacts to a single conductor .wire
is the same for this connector series and contacts. Select
53. CABLE AND CONCENTRIC TWINAX
the proper tooling for the specific contact part number
CONTACT ASSEMBLY. To assemble the concentric
and refer to NAVAIR 01-1A-505-1, WP 013 00 for
twinax contact to the applicable cable select the proper
correct assembly and crimp procedures (Table 5).
contact (Table 7). Select the proper tooling required
(Table 10). A cross-reference table is enclosed
48. STEP STRIPPING FILTER LINE. Termination of
(Table 11).
AWG-22 filter line in MIL-DTL-38999 connectors with
size 22 contacts requires 8 step stripping procedure to
54. Strip the cable to the dimensions specified in
reduce the insulation diameter in the grommet area to
Figure 9, according to the stripping procedures in
allow clearance for the contact removal and insertion
NAVAIR 01-1A-505-1, WP 009 00. Build-up crimp tools
tool (NAVAIR 01-1A-505-1, WP 009 00).
as specified in Table 10, according to NAVAIR 01-1A-
505-1, WP 013 00. The contact is assembled using the
following procedures (Figure 11) and the contact
manufacturer's instructions.
