D38999/49 Defense Supply Center, D38999/49 Datasheet - Page 66

• Manufacturer Part Number: D38999/49
• Description: D38999K / D38999J 500 Cycle Contact
• Manufacturer: Defense Supply Center

1/ Threads are modified 60 stub configuration.
2/ Gauges for plated threads: Maximum gauging limits of class 2A threads which are plated, are
Shell
size
Shell
increased by the allowance. Unplated threads, for example class K, may be checked with standard
after plate gauges.
11
13
15
17
19
21
23
25
Size
9
11
13
15
17
19
21
23
25
9
Thread
1.0000
1.1875
1.2500
1.3750
1.500
1.625
.6250
.7500
.8750
size
Thread
1.0000
1.1875
1.2500
1.3750
1.5000
1.6250
.6250
.7500
.8750
size
FIGURE 3. Connector intermateability dimensions (series III) – Continued.
Designation
Pitch
Designation
.1
Pitch
.1
Lead Allowance
.3
Lead
.3
.0015
.0020
2/
1.1274 1.1394
1.1900 1.2020
1.3150 1.3270
1.4400 1.4520
1.5650 1.5770
.5792
.7042
.8292
.9542
min
BB thread (plated or finished) 1/
Limits
Minor diameter
1.1855 1.1735
1.2480 1.2360
1.3730 1.3610 .0120 1.3390 1.3290 .0100 1.3010 1.2830
1.4980 1.4860
1.6230 1.6110
.6235
.7485
.8735
.9985
max
DD thread (plated) 1/
.5892
.7142
.8392
.9642
max
MIL-DTL-38999K
Major diameter
Limits
Internal thread - limits of size - class 2B
.6155
.7405
.8655
.9905
min
Tolerance
66
External thread - limits of size - class 2A
.0100
.0120
Toler-
.0080
ance
1.1535 1.1655
1.2160 1.2280
1.3410 1.3530
1.4660 1.4780
1.5910 1.6030
.5990
.7240
.8490
.9740
min
1.1515 1.1415
1.2140 1.2040
1.4640 1.4540
1.5890 1.5790
.5975 .5895
.7225 .7145
.8475 .8395 .0080
.9725 .9645
max
Limits
Pitch diameter
Limits
Pitch diameter
.6090
.7340
.8590
.9840
max
min
Tolerance
.0100
.0120
Toler-
ance
1.1135 1.0955
1.1760 1.1580
1.4260 1.4080
1.5510 1.5330
Minor diameter
Major diameter
1.0040 1.0200
1.1915 1.2115
1.2540 1.2740
1.3790 1.3990
1.5040 1.5240
1.6290 1.6490
.5675 .5535
.6925 .6785
.8175 .8035
.9425 .9285
max
.6290 .6450
.7540 .7700
.8790 .8950
min
Limits
Limits
min
max