Contact Amphenol Aerospace for more information at 800-678-0141 • www.amphenol-aerospace.com
79
26482 83723 III 5015 26500 Pyle Printed
Circuit Board
EMI Filter
Transient Fiber Optics Options
Others
Matrix Pyle Crimp Rear
Release Matrix
Matrix 2 High Speed
Contacts
38999
I
II
III SJT
Series I, LJT Breakaway Fail Safe
Lanyard Release Plug Insert Availability
Series I, LJT Breakaway Fail Safe
Lanyard Release Plug How to Order, cont.
1. MS27661 Number
MS Number designates MIL-DTL-38999, Series I
LJT Lanyard Release Plug
2. Select a Service Class
3. Select a Shell Size
MIL-DTL-38999, sizes 11 through 25, see chart on page 78.
4. Select a Finish
These are standard nishes. Consult Amphenol Aerospace for
variations.
5. Select an Insert Arrangement
MIL-DTL-38999, see insert identication chart on page 78.
6. Select a Contact Style
7. Alternate Keying
Position
For alternate Position of
connector (to prevent cross-mating)
see LJT key/keyway rotation below.
(No letter is required for normal)
1. Select a Finish
2. Connector Type Identication
3. Select a Shell Size and Insert Arrangement
Shell sizes are MIL-DTL-38999, Series III from sizes 11
thru 25. The basic part number selected specifies the insert
arrangement. See Table I (page 78) for coded part number that
correlates to insert arrangement.
4. Select a Lanyard Length Code
See Table II (page 78) for lanyard length code number.
5. Select a Contact Type/Alternate Rotation
of Insert
When an alternate position of the connector is required to prevent
cross-mating, a different letter (other than P or S) is used. See
alternate positioning for LJT (to your left), then convert to Amphenol
commercial coding by the following chart below.
HOW TO ORDER - BY MILITARY PART NUMBER
FAIL SAFE MS27661
HOW TO ORDER - BY COMMERCIAL PART NUMBER
FAIL SAFE 88-5388 OR 91-5388
MS
Number Service
Class Shell
Size Finish Insert
Arrg. Contact
Style Alternate
Position
MS27661 T 17 B 35 P A
1. 2. 3. 4. 5. 6. 7. Finish Connector
Type
Identification
Shell Size
& Insert
Arrangement
Lanyard
Length Code Contact Type
Alternate
Rotation of Insert
88 5388 29 40 P
1. 2. 3. 4. 5.
Pin Contacts Socket Contacts
MS Letter Amphenol
Letter MS Letter Amphenol
Letter
PP (normal) SS (normal)
PA ESA F
PB RSB T
PC W SC X
PD Y SD Z
ROT A TION
LETTERS
NORMAL
BADC
AB
5˚ LJT REF
RELATIVE POSSIBLE POSITION
OF ROT A TED MASTER KEYWA Y
(front face of receptacle shown)
AB ANGLE OF ROTATION (Degrees)
Shell Size Normal A B C D
995° 77° - - 113°
11 95° 81° 67° 123° 109°
13 95° 75° 63° 127° 115°
15 95° 74° 61° 129° 116°
17 95° 77° 65° 125° 113°
19 95° 77° 65° 125° 113°
21 95° 77° 65° 125° 113°
23 95° 80° 69° 121° 110°
25 95° 80° 69° 121° 110°
LJT Key/Keyway Rotation
EFor environmental crimp applications
(inactive for new design)
TFor environmental crimp applications with serra-
tions on rear threads of shell
B
Designates corrosion resistant olive drab cadmium plated
aluminum, 500 hour extended salt spray,
EMI shielding effectiveness –50dB @ 10 GHz
specication min., 175°C
FDesignates electroless nickel plated aluminum,
48 hour salt spray, EMI shielding effectiveness –65dB @10
GHz500 specication min., 200°C
PDesignates Lanyard Release plug
with pin contacts
SDesignates Lanyard Release plug
with socket contacts
88 Designates corrosion resistant olive drab cadmium plate
over nickel, 500 hour extended salt spray, EMI –50dB @ 10
GHz specication min., 175°C
91 Designates electroless nickel plated aluminum,
optimum EMI shielding effectiveness –65dB @ 10 GHz
specication min., 48 hour salt spray, 200°C
5388 Designates MIL-DTL-38999, Series I LJT Lanyard
Release Plug
PDesignates Lanyard Release plug with pin contacts
SDesignates Lanyard Release plug with socket contacts
These are standard nishes. Consult Amphenol Aerospace,
Sidney, NY for variations.