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10-503140-032 Datasheet, PDF (80/437 Pages) Amphenol Corporation – The Interconnection Leader
Series I, LJT Breakaway Fail Safe
Lanyard Release Plug How to Order, cont.
Amphenol
Aerospace
HOW TO ORDER - BY MILITARY PART NUMBER
FAIL SAFE MS27661
1. 2.
MS Service
Number Class
MS27661 T
3.
Shell
Size
17
4.
Finish
B
5.
Insert
Arrg.
35
6.
Contact
Style
P
7.
Alternate
Position
A
1. MS27661 Number
MS Number designates MIL-DTL-38999, Series I
LJT Lanyard Release Plug
2. Select a Service Class
E
For environmental crimp applications
(inactive for new design)
T
For environmental crimp applications with serra-
tions on rear threads of shell
3. Select a Shell Size
MIL-DTL-38999, sizes 11 through 25, see chart on page 78.
4. Select a Finish
Designates corrosion resistant olive drab cadmium plated
B
aluminum, 500 hour extended salt spray,
EMI shielding effectiveness –50dB @ 10 GHz
specification min., 175°C
Designates electroless nickel plated aluminum,
F 48 hour salt spray, EMI shielding effectiveness –65dB @10
GHz500 specification min., 200°C
These are standard finishes. Consult Amphenol Aerospace for
variations.
5. Select an Insert Arrangement
MIL-DTL-38999, see insert identification chart on page 78.
6. Select a Contact Style
P
Designates Lanyard Release plug
with pin contacts
S
Designates Lanyard Release plug
with socket contacts
7. Alternate Keying
AB
NORMAL
BA
DC
ROTATION
LETTERS
Position
For alternate Position of
connector (to prevent cross-mating)
see LJT key/keyway rotation below.
(No letter is required for normal)
LJT Key/Keyway Rotation
5˚ LJT REF
RELATIVE POSSIBLE POSITION
OF ROTATED MASTER KEYWAY
(front face of receptacle shown)
AB ANGLE OF ROTATION (Degrees)
Shell Size Normal A B
C
D
9
95° 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°
HOW TO ORDER - BY COMMERCIAL PART NUMBER
FAIL SAFE 88-5388 OR 91-5388
1. 2. 3.
Finish Connector Shell Size
Type
& Insert
Identification Arrangement
88
5388
29
4.
Lanyard
Length Code
40
5.
Contact Type
Alternate
Rotation of Insert
P
1. Select a Finish
Designates corrosion resistant olive drab cadmium plate
88 over nickel, 500 hour extended salt spray, EMI –50dB @ 10
GHz specification min., 175°C
Designates electroless nickel plated aluminum,
91 optimum EMI shielding effectiveness –65dB @ 10 GHz
specification min., 48 hour salt spray, 200°C
These are standard finishes. Consult Amphenol Aerospace,
Sidney, NY for variations.
2. Connector Type Identification
5388
Designates MIL-DTL-38999, Series I LJT Lanyard
Release Plug
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
P Designates Lanyard Release plug with pin contacts
S Designates Lanyard Release plug with socket contacts
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.
Pin Contacts
MS Letter
Amphenol
Letter
P
P (normal)
PA
E
PB
R
PC
W
PD
Y
Socket Contacts
MS Letter
Amphenol
Letter
S
S (normal)
SA
F
SB
T
SC
X
SD
Z
Contact Amphenol Aerospace for more information at 800-678-0141 • www.amphenol-aerospace.com 79