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10-503140-032 Datasheet, PDF (296/437 Pages) Amphenol Corporation – The Interconnection Leader
FTV – MIL-DTL-38999, Series III
Wall Mounting Receptacle - Aluminum
Amphenol
Aerospace
S
R1
R2
S R1 R2
TT
4 PLACES
LL
M
T
4 PLACES
.005 M
B THREAD
1.240 MAX.
V THREAD
21-77X0
* 21-79X0
(Mil-Spec Length)
PART # Filter
Connector
To complete, Designator
see how
to order
pages
Connector
Filter Type
Shell Finish
288-289.
Shell Style
Shell Size
& Insert
Arrg
Type of
Contact/
Keyway
Position
21
77
X
0
XX-XX
X
21
79
X
0
XX-XX
X
* Printed Circuit Tail available. Consult Amphenol Aerospace, Sidney, NY for Part Number.
B Thread
Class 2A
M
LL
Shell 0.1P-0.3L-TS
+.000
+.006
R1
Size
(Plated)
–.005
–.000
TP
T
R2
S
+.008
TP
Max
–.006
9
  .6250
.820
.905
  .719   .594   .948
.128
11
  .7500
.820
.905
  .812   .719 1.043
.128
13
  .8750
.820
.905
  .906   .812 1.137
.128
15
1.0000
.820
.905
  .969   .906 1.232
.128
17
1.1875
.820
.905 1.062   .969 1.323 .128
19
1.2500
.820
.905 1.156 1.062 1.449 .128
21
1.3750
.790
.905 1.250 1.156 1.575 .128
23
1.5000
.790
.905 1.375 1.250 1.701 .154
25
1.6250
.790
.905 1.500 1.375 1.823 .154
All dimensions for reference only.
S
R1
R2
M
.896
MAX.
V
Thread
Metric
(Plated)
M12X1-6g0.100R
M15X1-6g0.100R
M18X1-6g0.100R
M22X1-6g0.100R
M25X1-6g0.100R
M28X1-6g0.100R
M31X1-6g0.100R
M34X1-6g0.100R
M37X1-6g0.100R
R1
S
R2
*
21-52X0
B THREAD
V THREAD
TT
4 PLACES
.005 M
T
4 PLACES
.905+–..000006
1.466
MAX.
* Printed Circuit Tail available. Consult Amphenol Aerospace, Sidney, NY for Part Number.
B Thread
Class 2A
M
Shell 0.1P-0.3L-TS +.000
R1
Size
(Plated)
–.005
TP
T
R2
S
+.008
TP
±.010
–.006
V
Thread
Metric
(Plated)
9
  .6250
.820
  .719   .594   .938
.128 M12X1-6g0.100R
11
  .7500
.820
  .812   .719 1.031
.128 M15X1-6g0.100R
13
  .8750
.820
  .906   .812 1.125
.128 M18X1-6g0.100R
15
1.0000
.820
  .969   .906 1.219
.128 M22X1-6g0.100R
17
1.1875
.820
1.062   .969 1.312
.128 M25X1-6g0.100R
19
1.2500
.820
1.156 1.062 1.438
.128 M28X1-6g0.100R
21
1.3750
.790
1.250 1.156 1.562
.128 M31X1-6g0.100R
23
1.5000
.790
1.375 1.250 1.688
.154 M34X1-6g0.100R
25
1.6250
.790
1.500 1.375 1.812
.154 M37X1-6g0.100R
TT
+.008
–.006
.216
.194
.194
.173
.194
.194
.194
.242
.242
TT
+.008
–.006
.216
.194
.194
.173
.194
.194
.194
.242
.242
(Extended length shell**)
PART #
To complete,
see how
to order
pages
288-289.
Filter
Connector
Designator
Connector
Filter Type
Shell Finish
Shell Style
Shell Size
& Insert
Arrg
Type of
Contact/
Keyway
Position
21
52
X
0
XX-XX
X
**Extended length accommodate
higher voltage and/or higher
capacitance applications
Plug movement required to clear
FTV receptacles:  .625 min.
Contact Amphenol Aerospace for more information at 800-678-0141 • www.amphenol-aerospace.com 295