CYLINDRICAL
C48 Series/MIL-C-26500
Accessories & Application Tooling
Boeing: BACC45 / BACC63 Series
MIL-C-26500
C48 Series
Introduction
■
Qualified to MIL-C-26500.
■
Styles qualified to Boeing BACC45 Series.
■
Styles qualified to Boeing BACC63 Series.
F
EATURES
M
ATERIALS
E
NVIRONMENTAL
■
Power Contact Sizes: 20, 16, and 12.
■
Coax Contacts Available: Size 12 and 8.
■
Contacts: Crimp - Front release.
■
Optional Fixed Contacts: PC Termination.
■
Coupling Styles: Bayonet and Threaded.
■
Environmentally Sealed.
Shell:
Aluminum, stainless-steel options available
Finish:
Aluminum - Anodize, optional electroless nickel /
cadmium over nickel
Rubber:
Silicone / fluorosilicone
Dielectric:
Glass-filled epoxy
Temperature Extremes:
+200°C / 392°F to -55°C / -65°F
Ozone Resistance:
0.015% by volume
Temperature Life:
Internal 238°C for 1,000 hours
Moisture Resistance:
1,000 megohms minimum / MIL-STD-202,
Method 106
Thermal Shock:
-55°C (-67°F) to 260°C (500°F)
E
LECTRICAL
Dielectric Strength:
Current Rating (Test):
1,500 volts VAC RMS
Size 20 7.5 Amps D.C.
Size 16 13.0 Amps D.C.
Size 12 23.0 Amps D.C.
5,000 megohms minimum
Insulation Resistance:
M
ECHANICAL
Contact Retention:
Size 20 - 20 lb. minimum
Size 16 - 25 lb. minimum
Size 12 - 30 lb. minimum
Durability:
Threaded - 200 mating cycles
Bayonet - 500 mating cycles
Vibration:
Std - 20 g’s; 12 hours (Synasoidal)
MMB / Self-Lock - 39.6 g’s RMS, 48 hours (Random)
Shock:
50 g’s
Call Toll Free: 1 (800) 323-9612
3-1
MIL-C-26500
C48 Series
Introduction
GENERAL DESCRIPTION
The C48 Series describes a family of connectors qualified to MIL-C-26500. While maintaining the MIL-C-26500
mating interface, this product has also been expanded to include qualifications to numerous Boeing specifications
to satisfy general purpose requirements and unique product challenges for shielding, environmental sealing,
fluid resistance, and vibration.
Design Features
A.
Positive Location Captivated Insert
(Mechanical Interlock)
B.
Insert Face Seal
C.
Pin Contact, MIL-C-39029/31
D.
Contact Pressuring Seal
E.
Anti-Deflection Disc
F.
Resilient Pin Insert
G.
Insert Rim Seal
H.
Dynamic “O” Ring Shell Seal
I.
Five-Key Shell Polarization
J.
Metal-to-Metal Shoulder
K.
Bayonet or Threaded Coupling,
Permanent Captivation
L.
Contact Retention Clip
M.
Socket Contact, MIL-C-39029/32
N.
Wire Sealing Risers
O.
Grommet
The expanded Cinch C48 product family offers numerous product options qualified to Boeing high-performance
requirements and product solutions developed for alternate termination styles/low-profile packaging.
Product Description
•
•
Threaded non-decoupling design
High-vibration bayonet plug with
metal-to-metal bottoming shells
Connectors for shell grounding /
shielding effectiveness, non-rotating
accessory teeth, and advanced
fluid-resistance elastometers
Firewall Conformance
Cinch Series
CN0966
C0909
CN1020
CN0966
CN0967
CN1020
CN1021
CN0966
CN0967
CN0915
•
•
•
Low-profile connectors -
crimp - removable contacts
Low-profile connectors -
fixed contacts / alternate
termination styles
•
CN0942
CN0944
3-2
Call Toll Free: 1 (800) 323-9612
C48 Series
How to Order
Cinch Numbers
C48-0 6 R 22-55 P 6-102
Order Code (Deviations)
100
- Connector With Contacts & Cable Support
102
- Connector Less Cable Support With Contacts
105
- Connector Less Contacts With Cable Support
106
- Connector Less Contacts & Less Cable Support
See order codes for Boeing on page 3-14
Alternate Shell Positions
6, 7, 8, 9, 10 per table on page 3-4
(Omit for normal position)
Contact Style
P
-- Pin
S
-- Socket
Insert Arrangements
(See page 3-4)
Shell Size
8, 10, 12, 14, 16, 18, 20, 22, 24
Series Designation
C48
--
Coupling Style
0
-- Threaded
1
-- Bayonet
Shell Style
0
-- Square Flange Receptacle
3
-- Single-Hole Mounting Receptacle
6
-- Straight Plug
Environmental Class
R
-- Meets MIL-C-26500 (USAF)
3
Military Standard Part Numbers
You can use MS* as well as C48
Series part numbers when ordering
C48 Series connectors.
*MS part numbers are supplied less
cable support. If cable support is
desired, it must be ordered separately.
MS24266 R 22 T 55 P 6
Military Designation
MS24264
-- Square-Flange Receptacle
MS24265
-- Single-Hole Mounting Receptacle
MS24266
-- Straight Plug
Environmental Class
R
-- Meets MIL-C-26500 (USAF)
Shell Size
8, 10, 12, 14, 16, 18, 20, 22, or 24
Alternate Shell Positions
N, 6, 7, 8, 9, Y per table on page 3-4
Contact Style
P
-- Pin
S
-- Socket
Insert Arrangements
(See page 3-4)
Coupling Style
T
-- Threaded
B
-- Bayonet
Part numbers for the contacts and assembly tools are listed on page 3-12.
Call Toll Free: 1 (800) 323-9612
3-3
Inserts Available
C48 Series
(Showing Front Face
of Socket Inserts)
Shell
Size-12
(Y)
(Y)
(Y)
Shell
Size-8
(Y)
(Y)
Shell
Size-10
Shell
Size-14
Shell
Size-16
(Y)
(Y)
(Y)
Shell
Size-18
(Y)
Shell
Size-20
3
(Y)
(Y)
(Y)
(Y)
Shell
Size-22
(Y)
(Y)
Shell
Size-24
(Y)
(Y)
(Y)
Shell
Size-28
CN096X
CN102X
Series
Only
Alternate Shell Positions
(Front face of receptacle shown)
NOTE: Alternate positions 6 through Y incorporate special shell polarizing
key and keyways. All inserts remain in the normal position.
For Connector Size
For Connector Size 8 and 10 12, 14, 16, 18, 20, 22, 24, and 28
Positions
A
B
C
D
A
B
C
D
Normal (N) 105°
140° 215°
265°
105°
140°
215° 265°
6
102°
132° 248°
320°
18°
149°
192° 259°
7
80°
118° 230°
312°
92°
152°
222° 342°
8
35°
140° 205°
275°
84°
152°
204° 334°
9
64°
155° 234°
304°
24°
135°
199° 240°
10 or Y*
25°
115°
220°
270°
98°
152°
268°
338°
† = #1 shielded contact is interchangeable
with #12 power contact.
(Y) = Available in Boeing Insert Style.
*Not available in Size 8 Connector. See individual part number systems.
3-4
Call Toll Free: 1 (800) 323-9612
